#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;
}