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