import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        firstTask();
        System.out.println("____________________");
        secondTask();
        System.out.println("____________________");
        thirdTask();
        System.out.println("____________________");
        newThirdTask();
    }

    public static void firstTask() {
        int n = 10;
        int[] arr = new int[n];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = new Random().nextInt();
        }

        System.out.println(Arrays.toString(arr));

        for (int i = 0; i < arr.length; i++) {
            if (arr[i] < 0) {
                for (int j = i; j < arr.length - 1; j++) {
                    arr[j] = arr[j + 1];
                }


                i--;
                arr = Arrays.copyOf(arr, arr.length - 1);
            }
        }

        System.out.println(Arrays.toString(arr));
    }

    public static void secondTask() {
        int n = 5, m = 5, sum = 0;
        int[][] arr = new int[n][m];

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                arr[i][j] = new Random().nextInt(1000);
            }
        }

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                System.out.print(arr[i][j] + " ");
            }
            System.out.println();
        }

        for (int i = 0; i < n; i++) {
            sum += arr[i][i];
        }

        System.out.println(sum);
    }

    public static void thirdTask() {
        Scanner scanner = new Scanner(System.in);
        String line = scanner.nextLine().toLowerCase();
        String newLine = scanner.nextLine().toLowerCase();
        int count = 0;

        char[] lines = line.toCharArray();
        char[] newLines = newLine.toCharArray();

        if (lines.length == newLines.length){
            for (char c : lines) {
                for (int j = 0; j < lines.length; j++) {
                    if (c == newLines[j]) {
                        count++;
                        break;
                    }
                }
            }
        }

        if (count == lines.length) System.out.println("YES");
        else System.out.println("NO");
    }

    public static void newThirdTask(){
        Scanner scanner = new Scanner(System.in);
        String line = scanner.nextLine().toLowerCase();
        String newLine = scanner.nextLine().toLowerCase();

        char[] firstLine = line.toCharArray();
        char[] secondLine = newLine.toCharArray();

        Arrays.sort(firstLine);
        Arrays.sort(secondLine);

        if (Arrays.equals(firstLine, secondLine)) System.out.println("YES");
        else System.out.println("NO");
    }
}