#include <vector>
#include <iostream>
#include <string>
#include <ostream>
#include <map>
#include <set>
#include <bitset>
#include <cmath>
#include <iomanip>
#include <algorithm>
#include <list>
#include <regex>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define reps(i, n) for (int i = 1; i < (n); i++)
using namespace std;

int main()
{
    string s;
    cin >> s;
    int p = 0;
    rep(i, s.size())
    {
        if ('0' <= s[i] && s[i] <= '9')
        {
            p = i;
            break;
        }
    }
    string str = s.substr(0, p);
    reverse(str.begin(), str.end());
    s = str + s.substr(p, s.size() - p);
    cout << s << endl;
}