#include <iostream>
#include <cstring>
using namespace std;
char s[256],voc[11]="aeiouAEIOU",s1[256];
int n,i,nrv,j,ma,l;
int main()
{
    cin>>s>>s1;
   l=strlen(s);
   for(i=0;i<l;++i)
       if(strchr(voc,s[i])>0&&strchr(voc,s1[i])>0)
        cout<<"*";
         else
   if(strchr(voc,s[i])==0&&strchr(voc,s1[i])==0)
    cout<<"#";
   else
    cout<<"?";
    return 0;
}