using System;

public class Program

{

    public static void Main()

    {

        int a,b,c;

        Console.WriteLine("Enter three numbers");

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

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

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

        if (a<b)

            if (a<c)

             Console.WriteLine("a is the smallest");

            else

             Console.WriteLine("c is the smallest");

            else 

            if (b<c)

                Console.WriteLine("b is the smallest");

            else

                Console.WriteLine("c is the smallest");

    }

}

​

​