using System;

public class Program

{

    public static void Main()

    {

       double nam1, nam2, nam3, nam_4 ;

        Console.WriteLine("enter the 1st number  ");

        nam1=double.Parse(Console.ReadLine()); 

        Console.WriteLine("enter the 2th number  ");

        nam2=double.Parse(Console.ReadLine()); 

        Console.WriteLine("enter the 3th number  ");

        nam3=double.Parse(Console.ReadLine()); 

         nam_4=Math.Min(nam1,Math.Min(nam2,nam3)); 

        Console.WriteLine("the smallest number is {0}", nam_4) ; 

    }

}