#include <iostream>

using namespace std;

int main()
{
    float a , b , c;
    cout << "Please input your scores :"<<endl;
    cin >> a;
    cout << ""<<endl;
    cin >>b;
    cout << ""<<endl;
    cin >>c;
    cout << ""<<endl;
    float kl = a*b*c;
    float avg = kl/3;
    cout <<"The avarage score is :"<<avg;
    return 0;
}