#include <iostream>

using namespace std;

class stu
{
public:
    void set_course(int _1, int _2, int _3)
    {
        course[0] = _1;
        course[1] = _2;
        course[2] = _3;
    }

    int get_sum()
    {
        int sum = 0;
        for (int i = 0; i < 3; i++)
        {
            sum += course[i];
        }
        return sum;
    }
    double get_ave()
    {
        return get_sum() / 3.0;
    }

private:
    int course[3];
};

int main()
{
    stu student[5];
    for (int i = 0; i < 5; i++)
    {
        cout << "请输入第" << i + 1 << "位学生的成绩" << endl;
        int _1, _2, _3;
        cin >> _1 >> _2 >> _3;
        student[i].set_course(_1, _2, _3);
        cout << "该学生的总分是 ：" << student[i].get_sum() << endl;
        cout << "该学生的平均分是 ：" << student[i].get_ave() << endl;
        puts("");
    }
}