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OI-codes/Luogu/B2005/B2005.cpp

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2021-07-04 12:18:19 +00:00
#include <bits/stdc++.h>
using namespace std;
int main() {
char c;
cin >> c;
cout << " " << c << endl
<< " " << c << c << c << endl
<< c << c << c << c << c << endl;
return 0;
}