#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;
int main()
{
    int a , b ,c;
    cin >> a >> b >>c;
    cout << (a + b + c) <<" " <<(a  * b * c)<<" ";
    double avg = 1.0*(a + b + c) / 3;
    printf("%.2f",avg);
    
}