/*** WORK : 省赛\2024大连省赛\b.cpp ***/
/*** TIME : 2024/11/27 15:39 ***/
#include<bits/stdc++.h>
using namespace std;
#define all(v) v.begin(),v.end()
#define pb push_back
#define se second
#define fi first
#define int long long
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
const int MOD = (int) 1e9 + 7;
const int INF = INT_MAX;

void solve() {
    string s;
    cin >> s;
    cout << s[2] << s[1] <<s[0] << endl;
}

int32_t main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    cout << fixed << setprecision(12);
    int T = 1;
    // cin>>T;
    while (T--)solve();
}