import java.util.;
class Pattern
{
public static void main(String[] args)
{
Scanner scn = new Scanner(System.in);
int n = scn.nextInt();
int row = 1;
int stars = 1;
while(row<=n)
{
while(stars<=row)
{
System.out.println("");
stars=stars+1;
}
row=row+1;
}
}
}
