#include<bits/stdc++.h>
#include<iostream>
#include<math.h>
#include<vector>
#include<set>
#include<queue>
#include<algorithm>
#include<cstring>    //for memset
using namespace std;

#define lli                      int long long
#define ull                      unsigned long long
#define ld                       long double
#define pi                       acos(-1)
#define pb                       push_back
#define pbk                      pop_back
#define mp                       make_pair
#define ff                       first
#define ss                       second
#define pii                      pair<int,int>
#define gcd(a,b)                 __gcd(a,b)
#define lcm(a,b)                (a/gcd(a,b))*b
#define READ                     freopen("in.txt","r",stdin);
#define WRITE                    freopen("outer.txt","w",stdout);
#define sort(t)                  sort(t.begin(),t.end())
#define mem(a,b)                 memset(a,b,sizeof a)
#define sf                       scanf
#define pf                       printf
#define cs(p)                    printf("Case %d: ", ++(p))
#define dist(ax,ay,bx,by)        sqrt((ax-bx)*(ax-bx)+(ay-by)*(ay-by))
#define MM                       100003
#define inf                      10000000000000000+7
#define M                        1000000002
#define MINI                     -1000000003
//const int fx[]={+1,-1,+0,+0};
//const int fy[]={+0,+0,+1,-1};
//const int fx[]={+0,+0,+1,-1,-1,+1,-1,+1};   // Kings Move
//const int fy[]={-1,+1,+0,+0,+1,+1,-1,-1};  // Kings Move

//#define for(i,a,n)    for(int i=a;i<n;i++)
//it=myset.find(20);
//int a[8]= {0,0,-1,1,-1,1,-1,1};
//int b[8]= {-1,1,0,0,-1,1,1  ,-1};
int main()
{
    string s[9];
    int n,i,j,k;
    for(i=0;i<7;i++)
    {
        cin>>s[i];
    }
    int r=s[0].size();
    int p1=0,p2=4,ss=0,ss1=0;
    while(p2<r)
    //cout<<s[0][p1]<<" "<<s[0][p2]<<" "<<s[6][p1]<<" "<<s[6][p2]<<endl;
    {
if(s[0][p1]=='.' && s[0][p2]=='.' && s[6][p1]=='.' && s[6][p2]=='*')
       {
           cout<<"Q";
       }
       else if(s[0][p1]=='.' && s[0][p2]=='*' && s[6][p1]=='*' && s[6][p2]=='.')
       {
           cout<<"S";
       }
       else if(s[0][p1]=='.' && s[0][p2]=='.' && s[6][p1]=='.' && s[6][p2]=='.')
       {
           if(s[1][p1]=='.')
           {
               cout<<"I";
           }
           else if(s[4][p1+3]=='*')
           {
               cout<<"G";
           }
           else if(s[2][p2]=='*')cout<<"O";
           else cout<<"C";
       }
       else if(s[0][p1]=='*' && s[0][p2]=='.' && s[6][p1]=='*' && s[6][p2]=='*')
       {
           if(s[0][p1+1]=='*')
           {
               cout<<"R";
           }
           else
           {
               cout<<"L";
           }
       }
       else if(s[0][p1]=='*' && s[0][p2]=='*' && s[6][p1]=='*' && s[6][p2]=='*')
       {
           if(s[3][p1+2]=='.')
           {
               cout<<"K";
           }
           else if(s[3][p2]=='.')
           {
               if(s[1][p1]=='.') cout<<"Z";
               else if(s[2][p1]=='.') cout<<"X";
               else cout<<"E";
           }
           else
           {
               if(s[1][p1+1]=='*') cout<<"M";
               else if(s[2][p1+1]=='*')cout<<"N";
               else cout<<"H";
           }
       }
       else if(s[0][p1]=='*' && s[0][p2]=='.' && s[6][p1]=='*' && s[6][p2]=='.')
       {
           if(s[5][p2]=='.')
           {
               cout<<"P";
           }
           else if(s[3][p2]=='.')cout<<"B";
           else cout<<"D";
       }
       else if(s[0][p1]=='*' && s[0][p2]=='*' && s[6][p1]=='.' && s[6][p2]=='.')
       {
           if(s[0][p1+1]=='*')
           {
               cout<<"T";
           }
           else if(s[2][p1]=='.')
           {
               cout<<"Y";
           }
           else if(s[4][p1]=='.')
           {
               cout<<"V";
           }
           else if(s[6][p1+2]=='*')
           {
               cout<<"U";
           }
           else
           {
               cout<<"W";
           }
       }
       else if(s[0][p1]=='.' && s[0][p1+1]=='.')
       {
           cout<<"J";
       }
       else if(s[0][p1]=='.' && s[0][p2]=='.' && s[6][p1]=='*' && s[6][p2]=='*')
       {
           cout<<"A";
       }
      else
        cout<<"F";
        p1=p1+6;
        p2=p2+6;
    }
    return 0;
}