import java.util.Scanner;

class PGMinute2 {

public static void main(String[] args)
{
  Scanner input = new Scanner(System.in);
  int hr, mn;
  System.out.print("Votre horaire (hr, mn)? ");
  hr = input.nextInt();
  mn = input.nextInt();
  if (mn < 59)
  {
    ++mn;
  }
  else
  {
    mn = 0;
    if (hr < 23)
    {
      ++hr;
    }
    else
    {
      hr = 0;
    }
  }
  System.out.print("Une minute plus tard: ");
  if (hr == 0 && mn == 0)
  {
    System.out.println("Minuit");
  }
  else
  {
    System.out.print(hr + "h");
    if (mn != 0)
    {
      System.out.print(mn + "'");
    }
    System.out.println();
  }
}

}