#include <bits/stdc++.h>
using namespace std;
int main() {
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
// Print spaces
for (int j = 1; j <= n - i; j++) {
cout << " ";
}
for (int j = 1; j <= i; j++) {
cout << "o";
}
}
return 0;
}
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