#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define all(s) (s).begin(), (s).end()
#define rall(s) (s).rbegin(), (s).rend()
#define rep(i,l,r) for(int i=l;i<r;i++)
#define rrep(i,r,l) for(int i=r;i>l;i--)
template<class T> void print(const vector<T>& v){rep(i,0,(int)v.size())cout<<(i?" ":"")<<v[i];cout<<'\n';}
template<class T> void print(const vector<vector<T>>& v){for(const auto& r:v)print(r);}
template<class A,class B> void print(const vector<pair<A,B>>& v){rep(i,0,(int)v.size())cout<<(i?" ":"")<<'('<<v[i].first<<','<<v[i].second<<')';cout<<'\n';}

using ll=long long;
using mint=modint998244353;
constexpr ll INF=1LL<<60;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    string S;cin>>S;
    rep(i,0,S.size())cout<<S;
    cout<<endl;
}