// Program 55: Display the Upper Triangular Part of a Matrix

import java.util.*;

class UpperTriangle
{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);

        System.out.print("Enter order: ");
        int n = sc.nextInt();

        if (n < 1 || n > 10)
        {
            System.out.println("Invalid order");
            return;
        }

        int[][] a = new int[n][n];

        System.out.println("Enter matrix elements:");
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                a[i][j] = sc.nextInt();
            }
        }

        System.out.println("Upper triangular matrix:");
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                if (i <= j)
                {
                    System.out.print(a[i][j] + "\t");
                }
                else
                {
                    System.out.print("0\t");
                }
            }

            System.out.println();
        }
    }
}