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

int main()
{
    setlocale(0,"rus");
    int hou, min;
    string h, m, time;
    cout << "Введите время суток hh mm\n ";
    cin >> hou >> min;

    if ( hou < 0 || hou > 23 || min < 0 || min > 59 ) 
    {cout << "Неверные данные!" << endl;
    system("pause");
    return(0);}

     if ( hou == 0 && min == 0 ) 
     {cout << "Полночь" << endl;
     system("pause");
     return(0);}
     if ( hou == 12 && min == 0 )
     {cout << "Полдень" << endl;
     system("pause");
     return(0);}

     //Проверка падежного окончания часов
     if ( hou == 1 || hou == 21 || hou == 13 )
          h = "час";
     if ( hou >= 2 && hou <= 4 || hou >= 14 && hou <=16 )
          h = "часа";
     if ( hou >= 5 && hou <= 12 || hou >= 17 && hou <=23 || hou == 0 )
          h = "часов";

     //Проверка падежного окончания минут
     if ( min%10 == 1 )
          m = "минута";
     if ( min%10 >= 2 && min%10 <= 4 )
          m = "минуты";
     if ( min%10 > 4 && min%10 < 10 || min%10 == 0 || min >10 && min < 20 )
          m = "минут"; 
     
     //Проверка времени суток
     if ( hou <= 5 && hou >= 0 )
          time = "ночи";
     if ( hou >= 6 && hou <= 11 )
          time = "утра";
     if ( hou >= 12 && hou <= 17 )
          time = "дня";
     if ( hou >= 18 && hou <= 23 )
          time = "вечера";

     //Вывод данных
     if ( min == 0 && hou >= 0 && hou <=11 )
     {cout << hou << " " << h << " " << time << " " << "ровно" << endl;
     system("pause");
     return(0);}
     if ( min == 0 && hou >= 12 && hou <=23 )
     {cout << hou - 12 << " " << h << " " << time << " " << "ровно" << endl;
     system("pause");
     return(0);}
     if ( hou >= 0 && hou <= 11 && min >= 0 && min < 60 )
     cout << hou << " " << h << " " << min << " " << m << " " << time << endl; 
     if ( hou >= 12 && hou <= 23 && min >= 0 && min < 60 )
     cout << hou - 12 << " " << h << " " << min << " " << m << " " << time << endl; 
     system("pause");
    return(0);
}