#include<stdio.h>
int main(void){
    int j,m,b,T;
    double A;
    scanf("%d,%d,%d\n",&j,&m,&b);
    
    T = j + m + b;
    
    A = T / 3;
    
    printf("合計点:%d\n",T);
    printf("平均点:%f.1\n",A);
    return 0;
}