FillMatrix

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FillMatrix
{
    class FillMatrix
    {
        static void Main()
        {
            int row = int.Parse(Console.ReadLine());
            int[][] matrix = new int[row][];
            for (int rows = 0; rows < row; rows++)
            {
                matrix[rows] = Console.ReadLine().Split().Select(int.Parse).ToArray();
            }
            foreach(int[] element in matrix)
            {
                Console.WriteLine(string.Join(" ",element));
            }
        }
    }
}