#include <stdio.h>

int reverse(int n){
    int rem;
    int rev=0;
    while(n!=0){
        rem=n%10;
        rev = rev*10+ rem;
        n=n/10;
    }
    return rev;
}

int main(){
    int num;
    printf("enter the number ");
    scanf("%d",&num);
    printf("%d",reverse(num));
    
    return 0;
}