#include <iostream>
#include <string>
using namespace std;
int test;
string haslo1,haslo2;
 
int spraw(string h1, string h2)
{
    int dl;
    dl=h1.length();
 
    for(int i=0;i<=dl;i++)
    {
        if(h1.length()!= h2.length()) return false;
        else if(h1==h2) return true;
        else if(h2[i]=='*') return true;
        else if(h1[i]!=h2[i]) return false;
    }
}
 
int main()
{
    cin>>test;
    for(int i=1;i<=test;i++)
    {
 
 
    cin>>haslo1>>haslo2;
 
 
    if(spraw(haslo1,haslo2)==false) cout<<"error"<<endl;
    else if(spraw(haslo1,haslo2)==true)cout<<"ok"<<endl;
 
    }
 
return 0;
}

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MgpmcmFrdGFsCioqYWsqKmwKRlJBS1RBTApGKlJBS1RBTA==

2
fraktal
**ak**l
FRAKTAL
F*RAKTAL