#include <iostream>
#include <iomanip>

int main() {
    char comma;
    int j, m, b;
    std::cin >> j >> comma >>  m >> comma >>  b;
    std::cout << "合計点:" << j + m + b  << '\n';
    std::cout << std::fixed << std::setprecision(1) << "平均点:" << (j + m + b) / 3.0 << '\n';

    return 0;
}