Palindrome Number

#include <stdio.h>
int main() {
    int x = 121, rev = 0, orig = 121;
    while (x > 0) {
        rev = rev * 10 + x % 10;
        x /= 10;
    }
    printf("%s\n", (rev == orig) ? "Palindrome" : "Not Palindrome");
    return 0;
}