View Code of Problem 47

#include<iostream>

using namespace std;

int main(void){
    long long a,b,c;
    cin >> a >> b >> c;
    printf("%lld ",a+b+c);
    printf("%lld ",a*b*c);
    double ave=(a+b+c)/3.0;
    printf("%.2lf\n",ave);
}