#include <iostream>
using namespace std;
int main(void){
    // Your code here!
    double j,m,b,T; 
    double A;
    scanf("%lf,%lf,%lf",&j,&m,&b);
    T = j + m + b;
    printf("合計点:%.0lf\n",T);
    A = (j+ m + b) / 3;
    printf("平均点:%.1lf\n",A);
    
    return 0;
}