import java.util.Scanner;

public class Exercise3 {  
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		System.out.println("請問您要列印幾行楊輝三角：");
		int n = input.nextInt();
		int[][] yanghui = new int[n][n];
		yanghui[0][0]=1;
		for(int i=1;i<n;i++){
			yanghui[i][0]=1;
			for(int j=1;j<=i;j++){
				if(i==j){
					yanghui[i][j]=1;
				}else{
					yanghui[i][j]=yanghui[i-1][j]+yanghui[i-1][j-1]; 
				}
			}
		}
		for(int i=0;i<n;i++){
			for(int j=0;j<=i;j++){
				System.out.print(yanghui[i][j]+"\t");
			}
			System.out.println();
		}
	}
}