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

struct Student
{
    char name[30];
    char surname[30];
    int marks[3];
};

void input(Student *sts, int n)
{
    ifstream in ("in.txt");
    for (int i = 0; i < n; i++)
    {
        in >> sts[i].name;
        in >> sts[i].surname;
        for (int j = 0; j < 3; j++)
        {
            in >> sts[i].marks[j];
        }
    }
}

double average (Student st)
{
    double avr = 0;
    for (int i = 0; i < 3; i++)
    {
        avr += st.marks[i];
    }
    avr /= 3;
    return avr;
}

void printResult(Student *sts, int n)
{
    ofstream out("out.txt");
    for (int i = 0; i < n; i++)
    {
        out << sts[i].surname<<"  ";
        out << average(sts[i]) << endl;
    }
}

int main()
{
    int n;
    cin >> n;
    Student *sts = new Student[n];
    input(sts, n);
    printResult(sts, n);
    system("pause");
    return 0;
}