public class test2 {
public static void main(String[] args){
Scanner input=new Scanner(System.in);
System.out.println("please input the line");
int line=input.nextInt();
printStar(line);
}
public static void printStar(int line) {
for(int i = 1;i<=line;i++)
{
for(int j=1;j<=line-i;j++)
{
System.out.print(" ");
}
for(int j=1;j<=2*i-1;j++)
{
System.out.print('*');
}
System.out.println();
}
}