//Given two strings,write a method to decide if one is a permutation of the other.
import java.util.Arrays;
import java.util.Scanner;
class Main {
public static void main(String[] args) {
Scanner s = new Scanner(System.in);
String a = s.nextLine();
String b = s.nextLine();
Main m = new Main();
System.out.println(m.isPermutation(a,b));
}
public boolean isPermutation(String a, String b){
if(a == null || b == null){
return false;
}
if(a.length() != b.length()){
return false;
}
return sort(a).equals(sort(b));
}
private String sort(String a){
char[] b = a.toCharArray();
Arrays.sort(b);
return new String(b);
}
}
