#import <stdio.h>
int main(){
    long long W,H,X,Y;
    scanf("%lld %lld %lld %lld",&W,&H,&X,&Y);
    printf("%Lf ", (long double)W*H/2);
    puts(W%2==0&&H%2==0&&X==W/2&&Y==H/2 ? "1" : "0");
}

; ModuleID = '/data/TheStack_IR/OJ_Samples/Collated/ObjectiveC/Source_264/source.m'
source_filename = "/data/TheStack_IR/OJ_Samples/Collated/ObjectiveC/Source_264/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"

@.str = private unnamed_addr constant [20 x i8] c"%lld %lld %lld %lld\00", align 1
@.str.1 = private unnamed_addr constant [5 x i8] c"%Lf \00", align 1
@.str.2 = private unnamed_addr constant [2 x i8] c"1\00", align 1
@.str.3 = private unnamed_addr constant [2 x i8] c"0\00", align 1

; Function Attrs: nofree nounwind uwtable
define dso_local i32 @main() local_unnamed_addr #0 {
entry:
  %W = alloca i64, align 8
  %H = alloca i64, align 8
  %X = alloca i64, align 8
  %Y = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %W) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %H) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %X) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %Y) #3
  %call = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %W, ptr noundef nonnull %H, ptr noundef nonnull %X, ptr noundef nonnull %Y)
  %0 = load i64, ptr %W, align 8, !tbaa !5
  %conv = sitofp i64 %0 to x86_fp80
  %1 = load i64, ptr %H, align 8, !tbaa !5
  %conv1 = sitofp i64 %1 to x86_fp80
  %mul = fmul x86_fp80 %conv, %conv1
  %div = fmul x86_fp80 %mul, 0xK3FFE8000000000000000
  %call2 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, x86_fp80 noundef %div)
  %2 = load i64, ptr %W, align 8, !tbaa !5
  %3 = and i64 %2, 1
  %cmp = icmp eq i64 %3, 0
  br i1 %cmp, label %land.lhs.true, label %land.end

land.lhs.true:                                    ; preds = %entry
  %4 = load i64, ptr %H, align 8, !tbaa !5
  %5 = and i64 %4, 1
  %cmp5 = icmp eq i64 %5, 0
  br i1 %cmp5, label %land.lhs.true7, label %land.end

land.lhs.true7:                                   ; preds = %land.lhs.true
  %6 = load i64, ptr %X, align 8, !tbaa !5
  %div8 = sdiv i64 %2, 2
  %cmp9 = icmp eq i64 %6, %div8
  br i1 %cmp9, label %land.rhs, label %land.end

land.rhs:                                         ; preds = %land.lhs.true7
  %7 = load i64, ptr %Y, align 8, !tbaa !5
  %div11 = sdiv i64 %4, 2
  %cmp12 = icmp eq i64 %7, %div11
  %8 = select i1 %cmp12, ptr @.str.2, ptr @.str.3
  br label %land.end

land.end:                                         ; preds = %land.rhs, %land.lhs.true7, %land.lhs.true, %entry
  %cond = phi ptr [ @.str.3, %land.lhs.true7 ], [ @.str.3, %land.lhs.true ], [ @.str.3, %entry ], [ %8, %land.rhs ]
  %call14 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %cond)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %Y) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %X) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %H) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %W) #3
  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: nofree nounwind
declare noundef i32 @puts(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

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 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
