Position in Matrix

package com.company;


import java.io.IOException;


import java.util.*;

public class Main {


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

        int rows = scanner.nextInt();
        int cols = scanner.nextInt();
        scanner.nextLine();

        int[][] matrix = new int[rows][cols];
        for (int i = 0; i < rows; i++) {
            matrix[i] = Arrays.stream(scanner.nextLine().split(" "))
                    .mapToInt(Integer::parseInt)
                    .toArray();
        }
        //System.out.println();
        int number = scanner.nextInt();
        boolean numberIsPresent = false;

        for (int r = 0; r < matrix.length; r++) {
            for (int c = 0; c < matrix[r].length; c++) {
                if (matrix[r][c] == number) {
                    System.out.println(r + " " + c);
                    numberIsPresent = true;
                }

            }

        }
        if (!numberIsPresent) {
            System.out.println("not found");
        }
    }
}