using System;
public class Test
{
public static void Main()
{
int h = int.Parse(Console.ReadLine());
Pyramid('*', h);
}
static void Pyramid(char c, int h)
{
for (var i = 0; i < h; i++)
{
Console.Write(new string(' ', h - i - 1));
Console.WriteLine(new string('*', 2 * i + 1));
}
}
}
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