using System;

class Program
{
static void Main()
    {

	int x = int.Parse(Console.ReadLine());
	if ((x == 3) && (x==4) && (x==5))
	{Console.WriteLine("spring");}

	else if((x == 6) && (x==7) && (x==8))
	{Console.WriteLine("summer");}

	else if((x == 9) && (x==10) && (x==11))
	{Console.WriteLine("fall");}

	else if((x == 12) && (x==1) && (x==2))
	{Console.WriteLine("winter");}
	}
}