#include <iostream>
#include <cstdlib>

using namespace std;

int main(int argc, char *argv[])
{  system("chcp 1253");

    int sum = 55;
    float modulus;
    modulus = sum % 7;
    cout<<"The mod %% of "<<sum<<" by 7 is "<<modulus<<endl;
          
   system("PAUSE");
   return 0;
}