#include <stdio.h>

int main(void)
{
    int j,m,b;
    int T;
    double A;
    scanf("%d,%d,%d",&j,&m,&b);
    T = j+m+b;
    A = T/3.0;
    printf("合計点:%d\n平均点%1f",T,A);
    return 0;
}