2947 稳定的三角形

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e3+10,inf = 0x3f3f3f3f;

int main()
{
    char c; cin >> c;
    cout << "  " << c << endl;
    cout << " " << c << c << c << endl;
    cout << c << c << c << c << c << endl;
    return 0;
}