using System;
public class Program
{
public static void Main()
Console.WriteLine("enter a number:");
int num,rem,S1=0,K;
num=int.Parse(Console.ReadLine());
K=num;
do
rem=num%10;
num=num/10;
S1=(S1+rem)*10;
}while(num>0);
Console.WriteLine("REVERSE OF {0} IS {1}",K,S1/10);
}