public class Test3{
	public static void main(String [] args){
		//	输出一个金字塔的图形
		for (int i = 0; i < 4; i++) {
			for (int j = 3-i; j > 0; j--) {
				System.out.print(" ");
			}
			for(int k = 0;k < 2*i+1;k++){
				System.out.print("*");
			}
			System.out.println();
		}
	}
}