#include <stdio.h>

int main()
{
    int j,m,b;
    
    scanf("%d", &j);
    scanf("%d", &m);
    scanf("%d", &b);
    
    printf("合計点:%d\n", j+m+b);
    printf("平均点:%.1f\n", (j+m+b) / 3);
    
    return 0;
}