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

struct time {
    string meridiem;   // AM or PM
    int hour;
    int minute;
    int seconds;


};
void sleeptime(time &t,int sleepAmount) {
    t.hour += sleepAmount;
}

void blackBox (time &t, int magicNumber){
    t.hour += magicNumber;
    t.minute -= magicNumber;
}
int main() {
    time t1;
    t1.meridiem = "AM";
    t1.hour = 9;
    t1.minute = 33;
    t1.seconds = 54;
    //cout << t1.hour << " : " << t1.minute << "." << t1.seconds << "  " << t1.meridiem << endl;

    time t2;
    t2.meridiem = "PM";
    t2.hour = 11;
    t2.minute = 20;
    t2.seconds = 47;
    //cout << t2.hour << " : " << t2.minute << "." << t2.seconds << "  " << t2.meridiem << endl;

    cout << "If you go to sleep at:" << cout << t2.hour << "  " << t2.meridiem << endl;
    sleeptime(t2, 9);
    cout << "You should wake up at:" << cout << t2.hour <<  "  " << t2.meridiem << endl;
    return 0;
}