#include<stdio.h>

int main(){
    
    int j,m,b = 0;
    int T = 0;
    double A = 0.0;
    scanf("%d,%d,%d",&j,&m,&b);
    T = j+m+b;
    A = T/3;
    printf("合計点:%d\n平均点:%2f\n");
    return 0;
}