class Program01 {	
	static void piramisForditva() {
		for(int i=0;i<5; i++) {
			for(int j=0; j<9; j++) {
				if(j>=i && j<(9-i)) {
					System.out.print("@ ");
				}else {
					System.out.print("  ");
				}
			}
			System.out.println();
		}
	}
	public static void main(String[] args) {		
		piramisForditva();
	}
}