#include <stdio.h>
int main(void)
{
int n, reverse = 0;
printf("Enter a number: ");
scanf("%d",&n); // 1234
while (n != 0)
{
reverse = reverse * 10;
reverse = reverse + n % 10;
n = n / 10;
}
printf("The reverse number is = %d\n", reverse); // 4321
return 0;
}