/********************************************************************************************
ex0.cpp
    Developing the military time class
********************************************************************************************/
#include <iostream>
using namespace std;

//class definition
class miltime {
    public:
        int hour;    // 0-23
        int minute;  // 0-59
        int second;  // 0-59
};

void main()
    {
    miltime t;

    if (t.hour < 10)
        cout << '0';
    cout << t.hour << ':';
    if (t.minute < 10)
        cout << '0';
    cout << t.minute << ':';
    if (t.second < 10)
        cout << '0';
    cout << t.second << endl;

    //Add 30 seconds to it and reprint it
    t.second += 30;
    if (t.hour < 10)
        cout << '0';
    cout << t.hour << ':';
    if (t.minute < 10)
        cout << '0';
    cout << t.minute << ':';
    if (t.second < 10)
        cout << '0';
    cout << t.second << endl;

    //Add 30 minutes to it and print it
    t.minute += 30;
    if (t.hour < 10)
        cout << '0';
    cout << t.hour << ':';
    if (t.minute < 10)
        cout << '0';
    cout << t.minute << ':';
    if (t.second < 10)
        cout << '0';
    cout << t.second << endl;

    //Add 30 hours to it and print it
    t.hour += 30;
    if (t.hour < 10)
        cout << '0';
    cout << t.hour << ':';
    if (t.minute < 10)
        cout << '0';
    cout << t.minute << ':';
    if (t.second < 10)
        cout << '0';
    cout << t.second << endl;
    }