using System;
public class Test
{
public static void Main()
{
string[] wschod = Console.ReadLine().Split(":");
string[] zachod = Console.ReadLine().Split(":");
string[] godz = Console.ReadLine().Split(":");
int h = int.Parse(godz[0]);
int m = int.Parse(godz[1]);
while( 1 != 0 )
{
m++;
if( m == 60 )
{
m = 0;
h++;
if( h == 24 ) h = 0;
}
if( h == int.Parse(wschod[0]) && m == int.Parse(wschod[1]) )
{
Console.WriteLine("noc");
break;
}
if( h == int.Parse(zachod[0]) && m == int.Parse(zachod[1]) )
{
Console.WriteLine("dzien");
break;
}
}
}
}
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