02. Positions Of

package Lekciq;

import java.util.Scanner;

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



        // Read the dimensions of the matrix
        int rows = scanner.nextInt();
        int cols = scanner.nextInt();

        // Read the matrix
        int[][] matrix = new int[rows][cols];
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < cols; j++) {
                matrix[i][j] = scanner.nextInt();
            }
        }

        // Read the number to find in the matrix
        int numberToFind = scanner.nextInt();

        // Find and print positions of the number in the matrix
        boolean found = false;
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < cols; j++) {
                if (matrix[i][j] == numberToFind) {
                    System.out.println(i + " " + j);
                    found = true;
                }
            }
        }

        // Print "not found" if the number does not appear in the matrix
        if (!found) {
            System.out.println("not found");
        }
    }
}