import java.util.*;
public class Pascal
{
    public static void main(String args[]){
        Scanner reader = new Scanner(System.in);
        int ragged[][] = new int [10][];
        int userRows=0;
        
        System.out.println("Enter the number of rows");
        userRows=reader.nextInt();
        
        for(int x=0;x<userRows;x++)
        {
            for(int y=0;y<=x;y++)
            {
                ragged[x] = new int [y+1];
            }
        }
        for(int x=0;x<userRows;x++)
        {
            for(int y=0;y<ragged[x].length;y++)
            {
                if(y==0||y==x)
                    ragged[x][y]=1;
                else
                    ragged[x][y]=ragged[x-1][y]+ragged[x-1][y-1];
            }
        }
        
        System.out.println("Here is your triangle");
        for(int x=0; x<userRows;x++)
        {
            for(int y=userRows;y>x;y--)
            {
                System.out.print("\t\t");
            }
            
            for(int z=0;z<ragged[x].length;z++)
            {
                System.out.print(ragged[x][z]+"\t\t");
            }
            System.out.print("\n");
        }
    }
}