#include <iostream>
using namespace std;

int main (){
    char choice, input;
    string timeType;
    int time;
    cout << "Format A: 12-hour to 24-hour" << endl;
    cout << endl;
    cout << "Format B: 24-hour to 12-hour" << endl;
    cout << endl;
    cout << "Enter the lowercase letter of the format you wish to use: ";
    cin >> choice;
    if (choice == 'b')
    {
        cout << "You chose format B, Enter a time in 24-hour format: ";
        cin >> time;
        cout << endl;
        if (time >= 12)
        {
            timeType = "a.m.";
            time = time - 12;
        }
        if (time < 12)
        {
            timeType = "p.m.";
        }
        cout << "Your time converted : " << time << ":00 " << timeType;

    }
    if (choice == 'a')
    {
        cout << "You chose format A, Enter a time in 12-hour format: ";
        cin >> time;
        cout << "Enter the time type (a.m. or p.m.): ";
        cin >> input;
        cout << endl;
        if (input == 'p')
        {
            time = time + 12;
        }
        if (time < 10)
        {
            cout << "Your time converted : " << "0" << time << ":00 " << timeType;
        }
        else {
            cout << "Your time converted : " << time << ":00 " << timeType;
        }


    }
    return 0;
}