#include <iostream>
#include <string>
#include <vector>
using namespace std;
int main(){
int m;
cin >> m;
string s = to_string(m);
vector<int> arr(s.size());
int j = 0;
for(auto ch : s){
arr[j] = ch - '0';
++j;
}
for(auto d : arr)
cout << d;
}
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