public static void Main()
int hours1 = int.Parse(Console.ReadLine());
int minutes = int.Parse(Console.ReadLine());
int hours2 = int.Parse(Console.ReadLine());
int minutes2 = int.Parse(Console.ReadLine());
else if ( hours1 >= hours2)
Console.Write("On time");
else if ( hours1 == hours2)
else if ( hours1 <= hours2)