// traingle pattern using asterisk
#include <iostream>

using namespace std;

int main()
{
    int space, rows;
    
    int i, k;
    
    cout << "Rows: ";
    cin >> rows;
    
    for (i = 1, k = 0; i <= rows; i++, k = 0)
    {
        for (space = 1; space <= rows - i; space++)
           cout << " ";
    }
    
    while (k != 2 * i - 1)
    {
        cout << "* ";
        k++;
    }
    
    cout << endl;
    
    return 0;
}