#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef string str;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    str s;
    cin >> s;
    str p = "";
    bool check = false;
    for (ll i = 0; i < s.size(); i++)
    {
        if (s[i] >= '0' && s[i] <= '9')
        {
            if (!check)
            {
                reverse(p.begin(), p.end());
                cout << p;
                check = true;
            }
            cout << s[i];
        }
        else p += s[i];
    }
    return 0;
}