using System;

public class Program

{

    public static void Main()

    {

        int x, y, z;

        x=Convert.ToInt32(Console.ReadLine());

        y=Convert.ToInt32(Console.ReadLine());

        z=Convert.ToInt32(Console.ReadLine());

        if(x>y) {

            if(x>z) {

                Console.WriteLine("1st number is big");

            }

            else {

                Console.WriteLine("3rd number is big");

                }

        }

        else if(y>z) 

            Console.WriteLine("2nd number is big");

            else

            Console.WriteLine("3rd number is big");

    }

}