#include <bits/stdc++.h>
using namespace std;

#define rep(i, n) for( int i = 0; i < n; i++ )
using ll = long long;

int main() {
	string s, t;
	cin >> s;
	int N = s.size();
	rep(i, N) {
		if(isdigit(s[i])) break;
		t += s[i];
	}
	reverse(t.begin(), t.end());
	int sz = t.size();
	cout << t << s.substr(sz, N - sz) << endl;
}