#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

void solve() {
  string s;
  cin >> s;
  ll n = s.size();
  rep(p, n) {
    if ('0' <= s[p] && s[p] <= '9') {
      for (ll i = p - 1; i >= 0; i--)
        cout << s[i];
      for (ll i = p; i < n; i++)
        cout << s[i];
      cout << '\n';
      return;
    }
  }
}

int main() {
  std::cin.tie(nullptr);
  std::ios_base::sync_with_stdio(false);
  int T = 1;
  for (int t = 0; t < T; t++) {
    solve();
  }
  return 0;
}