#include <iostream>
using namespace std;
int main() {
// your code goes here
int a, b, c = 0;
a = 3;
b = 4;
if ((a + b) % 2 == 1)
c = ((a+b)/2) + 1;
else
c = (a+b)/2;
cout << c;
return 0;
}
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