#include <bits/stdc++.h>
using namespace std;
int main() {
    string s;
    cin >> s;

    int n = (int)s.size();
    for (int i = 0; i < n; i++) {
        if (isdigit(s[i])) {
            reverse(s.begin(), s.begin() + i);
            break;
        }
    }
    cout << s << endl;
    return 0;
}