행렬 4 x 5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Syntax07
{
    class Program
    {
        static void Main(string[] args)
        {
            for (int i = 1; i < 5; i++)
            {
                for (int j = 0; j < 5; j++)
                {
                    Console.Write($"({j},{i})\t");
                }
                Console.WriteLine();
            }
        } 
    }
}