#include <iostream>

using namespace std;

signed main() {

int _sum = 0;

int a[10] = { 10, 5, 32, 40, 73, 12, 47, 93, 87, 31 };

for (size_t i = 0; i < 10; i++)

{

 _sum += a[i];

}

cout << _sum / 10 << endl;

return 0;

}