#include <iostream>
using namespace std;
int main()
{ 
    int i , n , s , o ;
    cin >> n;
    i = 0;
    s = 1;
    n = o++;

    while ( i < n )
    {
        int h = 0;
        while ( h < o )
        { 
            cout <<" ";
            h ++;
        }
       int j = 0;
       while (j < s)
       {
        cout << "*";
        j ++;
       }
        
        cout << '\n';
        i ++;
        o --;
        s ++;
    }



    return 0;
}