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python/TangDou/XiTi/1010.cpp

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2025-08-30 18:35:01 +08:00
#include <bits/stdc++.h>
using namespace std;
int main() {
char a;
cin >> a;
for (int i = 0; i < 4; i++) {
if (i == 0 || i == 3) {
cout << a << a << a << a;
} else {
cout << a << " " << a;
}
cout << endl;
}
return 0;
}