#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(nullptr);
	string S;
	cin >> S;
	int i = 0;
	while(i < S.size() && !('0' <= S[i] && S[i] <= '9')) i++;
	string B = S.substr(i);
	string A = S.substr(0, i);
	reverse(A.begin(), A.end());
	cout << A << B << "\n";
}