Symbol in Matrix

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

namespace solutions
{
    class Program
    {
        public static void Main()
        {
            var matrixSize = int.Parse(Console.ReadLine());

            var rows = matrixSize;
            var cols = matrixSize;
            var matrix = new char[rows, cols];

            for (int row = 0; row < matrix.GetLength(0); row++)
            {
                var values = Console.ReadLine();

                for (int col = 0; col < matrix.GetLength(1); col++)
                {
                    matrix[row, col] = values[col];
                }
            }

            var symbol = char.Parse(Console.ReadLine());

            for (int row = 0; row < rows; row++)
            {
                for (int col = 0; col < cols; col++)
                {
                    if (matrix[row, col] == symbol)
                    {
                        Console.WriteLine($"({row}, {col})");
                        return;
                    }
                }
            }
            Console.WriteLine($"{ symbol} does not occur in the matrix");
        }
    }
}