#include <iostream>
#include <iomanip>
#include <cassert>
#include <vector>
#include <algorithm>
#include <utility>
#include <numeric>
// #include "Src/Utility/BinarySearch.hpp"
// #include "Src/Sequence/CompressedSequence.hpp"
// #include "Src/Sequence/RunLengthEncoding.hpp"
// using namespace zawa;
// #include "atcoder/modint"
// using mint = atcoder::modint998244353;
std::string S;
int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);
    std::cout.tie(nullptr);
    std::cin >> S;
    for (int i = 0 ; i < (int)S.size() ; i++) if ('1' <= S[i] and S[i] <= '9') {
        std::reverse(S.begin(), S.begin() + i);
        break;
    }
    std::cout << S << '\n';
}