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#include <stdio.h>
int A[20]={};
int B[20]={};
int C[20]={};
int main()
{
    int n;
    scanf("%d",&n);
    int i;
    int sum = 0;
    for(i=0;i<n;i++){
        scanf("%d",&A[i]);
    }
    for(i=0;i<n;i++){
        scanf("%d",&B[i]);
    }
    for(i=0;i<n;i++){
        if(A[i]>B[i])
            sum +=(A[i]-B[i]);
    }
    printf("%d",sum);
    return 0;
}

; ModuleID = '/data/TheStack_IR/OJ_Samples/Collated/ObjectiveC/Source_309/source.m'
source_filename = "/data/TheStack_IR/OJ_Samples/Collated/ObjectiveC/Source_309/source.m"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"

@A = dso_local global [20 x i32] zeroinitializer, align 16
@B = dso_local global [20 x i32] zeroinitializer, align 16
@C = dso_local local_unnamed_addr global [20 x i32] zeroinitializer, align 16
@.str = private unnamed_addr constant [3 x i8] c"%d\00", align 1

; Function Attrs: nofree nounwind uwtable
define dso_local i32 @main() local_unnamed_addr #0 {
entry:
  %n = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %n) #4
  %call = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %n)
  %0 = load i32, ptr %n, align 4, !tbaa !5
  %cmp40 = icmp sgt i32 %0, 0
  br i1 %cmp40, label %for.body, label %for.end25

for.cond2.preheader:                              ; preds = %for.body
  %cmp342 = icmp sgt i32 %1, 0
  br i1 %cmp342, label %for.body4, label %for.end25

for.body:                                         ; preds = %entry, %for.body
  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
  %arrayidx = getelementptr inbounds [20 x i32], ptr @A, i64 0, i64 %indvars.iv
  %call1 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %arrayidx)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %1 = load i32, ptr %n, align 4, !tbaa !5
  %2 = sext i32 %1 to i64
  %cmp = icmp slt i64 %indvars.iv.next, %2
  br i1 %cmp, label %for.body, label %for.cond2.preheader

for.cond11.preheader:                             ; preds = %for.body4
  %cmp1244 = icmp sgt i32 %17, 0
  br i1 %cmp1244, label %for.body13.preheader, label %for.end25

for.body13.preheader:                             ; preds = %for.cond11.preheader
  %wide.trip.count = zext i32 %17 to i64
  %min.iters.check = icmp ult i32 %17, 8
  br i1 %min.iters.check, label %for.body13.preheader65, label %vector.ph

vector.ph:                                        ; preds = %for.body13.preheader
  %n.vec = and i64 %wide.trip.count, 4294967288
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %13, %vector.body ]
  %vec.phi61 = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %14, %vector.body ]
  %3 = getelementptr inbounds [20 x i32], ptr @A, i64 0, i64 %index
  %wide.load = load <4 x i32>, ptr %3, align 16, !tbaa !5
  %4 = getelementptr inbounds i32, ptr %3, i64 4
  %wide.load62 = load <4 x i32>, ptr %4, align 16, !tbaa !5
  %5 = getelementptr inbounds [20 x i32], ptr @B, i64 0, i64 %index
  %wide.load63 = load <4 x i32>, ptr %5, align 16, !tbaa !5
  %6 = getelementptr inbounds i32, ptr %5, i64 4
  %wide.load64 = load <4 x i32>, ptr %6, align 16, !tbaa !5
  %7 = icmp sgt <4 x i32> %wide.load, %wide.load63
  %8 = icmp sgt <4 x i32> %wide.load62, %wide.load64
  %9 = sub nsw <4 x i32> %wide.load, %wide.load63
  %10 = sub nsw <4 x i32> %wide.load62, %wide.load64
  %11 = select <4 x i1> %7, <4 x i32> %9, <4 x i32> zeroinitializer
  %12 = select <4 x i1> %8, <4 x i32> %10, <4 x i32> zeroinitializer
  %13 = add <4 x i32> %11, %vec.phi
  %14 = add <4 x i32> %12, %vec.phi61
  %index.next = add nuw i64 %index, 8
  %15 = icmp eq i64 %index.next, %n.vec
  br i1 %15, label %middle.block, label %vector.body, !llvm.loop !9

middle.block:                                     ; preds = %vector.body
  %bin.rdx = add <4 x i32> %14, %13
  %16 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %bin.rdx)
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %for.end25, label %for.body13.preheader65

for.body13.preheader65:                           ; preds = %for.body13.preheader, %middle.block
  %indvars.iv53.ph = phi i64 [ 0, %for.body13.preheader ], [ %n.vec, %middle.block ]
  %sum.046.ph = phi i32 [ 0, %for.body13.preheader ], [ %16, %middle.block ]
  br label %for.body13

for.body4:                                        ; preds = %for.cond2.preheader, %for.body4
  %indvars.iv50 = phi i64 [ %indvars.iv.next51, %for.body4 ], [ 0, %for.cond2.preheader ]
  %arrayidx6 = getelementptr inbounds [20 x i32], ptr @B, i64 0, i64 %indvars.iv50
  %call7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %arrayidx6)
  %indvars.iv.next51 = add nuw nsw i64 %indvars.iv50, 1
  %17 = load i32, ptr %n, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %cmp3 = icmp slt i64 %indvars.iv.next51, %18
  br i1 %cmp3, label %for.body4, label %for.cond11.preheader

for.body13:                                       ; preds = %for.body13.preheader65, %for.body13
  %indvars.iv53 = phi i64 [ %indvars.iv.next54, %for.body13 ], [ %indvars.iv53.ph, %for.body13.preheader65 ]
  %sum.046 = phi i32 [ %sum.1, %for.body13 ], [ %sum.046.ph, %for.body13.preheader65 ]
  %arrayidx15 = getelementptr inbounds [20 x i32], ptr @A, i64 0, i64 %indvars.iv53
  %19 = load i32, ptr %arrayidx15, align 4, !tbaa !5
  %arrayidx17 = getelementptr inbounds [20 x i32], ptr @B, i64 0, i64 %indvars.iv53
  %20 = load i32, ptr %arrayidx17, align 4, !tbaa !5
  %cmp18 = icmp sgt i32 %19, %20
  %sub = sub nsw i32 %19, %20
  %add = select i1 %cmp18, i32 %sub, i32 0
  %sum.1 = add nsw i32 %add, %sum.046
  %indvars.iv.next54 = add nuw nsw i64 %indvars.iv53, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next54, %wide.trip.count
  br i1 %exitcond.not, label %for.end25, label %for.body13, !llvm.loop !12

for.end25:                                        ; preds = %for.body13, %middle.block, %entry, %for.cond2.preheader, %for.cond11.preheader
  %sum.0.lcssa = phi i32 [ 0, %for.cond11.preheader ], [ 0, %for.cond2.preheader ], [ 0, %entry ], [ %16, %middle.block ], [ %sum.1, %for.body13 ]
  %call26 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %sum.0.lcssa)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %n) #4
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.vector.reduce.add.v4i32(<4 x i32>) #3

attributes #0 = { nofree nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nounwind }

!llvm.linker.options = !{}
!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"Ubuntu clang version 18.0.0 (++20231007042255+8abb2ace888b-1~exp1~20231007042414.1230)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10, !11}
!10 = !{!"llvm.loop.isvectorized", i32 1}
!11 = !{!"llvm.loop.unroll.runtime.disable"}
!12 = distinct !{!12, !11, !10}
