// Page 067

import java.util.Scanner;

class Prog_5_6
{
	public static void main(String[] args)
	{
			Scanner input = new Scanner (System.in);
			int score;
			score = input.nextInt();;
			if( score >= 60  )
				{
					if ( score < 70 )
					System.out.println("Marginal pass.");
				}
			else
				System.out.println ("Fail.");
			System.out.println( "Right?");
	}
}