#include <iostream>
#include <string>
using namespace std;

struct Student {
    string name;
    int score;
};

void averagetotal(Student s[], int size) {
    int total = 0;
    for (int i = 0; i < size; i++) {
        total += s[i].score;
    }
    double avg = total / (double)size;

    cout << "총합: " << total << endl;
    cout << "평균: " << avg << endl;
}

int main() {
    Student stu[5];

    for (int i = 0; i < 5; i++) {
        cin >> stu[i].name >> stu[i].score;
    }

    averagetotal(stu, 5);

    return 0;
}