include

include

include

using namespace std; char p[105],o[105],r[105],d[105],w[105]; int main() {

int pl,rl;
gets(p);
gets(o);
gets(r);
pl=strlen(p);
rl=strlen(r);
for(int i=0;i<pl;i++){
	if(d[p[i]]==0||d[p[i]]==o[i]){
		d[p[i]]=o[i];
	}else{
		cout<<"Failed";
		return 0;
	}
}
for(int i=0;i<=pl;i++){
	w[o[i]]++;
}
for(int i='A';i<='Z';i++){
	if(w[i]==0){
		cout<<"Failed";
		return 0;
	}
}
for(int i=0;i<rl;i++){
	cout<<d[r[i]];
}
return 0;

}