#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;
}