matrix search

import java.util.Scanner;

public class main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int target = scan.nextInt();
        int[][] arr = {
                {2, 3, 4},
                {5, 3, 7},
                {8, 3, 3},
        };
        boolean found= false;
        for (int row = 0; row < arr.length; row++) {
            for (int col = 0; col < arr[0].length; col++) {
                if (target == arr[row][col] && found == true){
                    System.out.printf(", [%d][%d]",row,col);
                }
                if (target == arr[row][col] && found == false) {
                    System.out.printf("Index is: [%d][%d]",row, col);
                    found = true;
                }
            }
        }
        if (found == false){
            System.out.println("Not found");
        }
    }
}