#include<bits/stdc++.h>
using namespace std;
int i=1,x[7],sum1=1,sum2=1,j=1,y[7],o;
int main(){
	char a[7],b[7];
	cin>>a>>b;
	while(i<strlen(a)-1){
		x[i]=a[i-1];i++;
	}
	while(j<strlen(b)-1){
		x[j]=a[j-1];j++;
	}
	for(o=1;o<=i;o++)sum1=sum1*x[o]%47;
	for(o=1;o<=j;o++)sum1=sum1*y[o]%47;
	sum1==sum2?cout<<"OK":cout<<"STAY";
	return 0;
}```