#include <iostream>
using namespace std;

class NumberReverse {
public:
    int reverseNumber(int num) {
        int reversed = 0;

        while (num > 0) {
            reversed = reversed * 10 + (num % 10);
            num /= 10;
        }

        return reversed;
    }
};

int main() {
    NumberReverse nr;
    int number;

    cout << "숫자 입력: ";
    cin >> number;

    cout << "뒤집은 숫자: " << nr.reverseNumber(number) << endl;
    return 0;
}