FillMatrix

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

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