#include <bits/stdc++.h>   using namespace std;   const int INF = 1029384756;   const double PI = acos(-1);   const double EPS = 0.0000000304;   long long A, B, C;   int main() {     scanf( %I64d%I64d%I64d , &A, &B, &C);     if ((A % 2) == (B % 2) && (B % 2) == (C % 2)) {       printf( %I64d , A + B + C - max(A, max(B, C)) - min(A, min(B, C)));     } else if (A % 2 == B % 2) {       printf( %I64d , max(A, B));     } else if (A % 2 == C % 2) {       printf( %I64d , max(A, C));     } else {       printf( %I64d , max(B, C));     }     return 0;   }   