using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("enter first number");

        int num1 = int.Parse(Console.ReadLine());

        Console.WriteLine("enter second number");

        int num2 = int.Parse(Console.ReadLine());

        Console.WriteLine("enter third number");

        int num3 = int.Parse(Console.ReadLine());

        if (num1 == num2 & num2 == num3)

            Console.WriteLine("3");

        else if (num1 != num2 & num2 != num3 & num1 != num3)

            Console.WriteLine("1+1+1");

        else

            Console.WriteLine("1+2");

    }

}