#include<bits/stdc++.h>
using namespace std;
int a[15], b[15];
int main(){
	int n, m;
	cin >> n >> m;
	int i = 1;
	while(n != 0){
		int t = n % 10;
		a[i++] = t;
		n /= 10;
	}
	i--;
	sort(a+1, a+1+i);
	if(a[1] == 0)
		swap(a[1], a[2]);
	int j = i;
	while(m != 0){
		int t = m % 10;
		b[j--] = t;
		m /= 10;
	}
	j--;
	bool flag = 0;
	for(int k = 1; k <= i; k++) 
		if(a[k] != b[k])
			flag = 1;
	if(flag)
		cout << "WRONG_ANSWER";
	else cout << "OK";
	return 0;
}