#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平均点:%f.1\n",T,A);
    return 0;
}