/*
     Hell, 'til I reach Hell, I ain't scared
     Mama checkin' in my bedroom, I ain't there
                                                */
    #include<bits/stdc++.h>
    #include <ext/pb_ds/assoc_container.hpp>
    #include <ext/pb_ds/tree_policy.hpp>
    using namespace __gnu_pbds;
    using namespace std;

    #define Major  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    #define TxtIO   freopen("input.txt","r",stdin); freopen("output.txt","w",stdout);
    #define read(a,n) for(int i = 0 ; i<n ; i++) cin>>a[i];
    #define write(a) for(auto x : a) cout<<x<<" ";
    #define int long long
    #define pb push_back
    #define all(a)  a.begin(),a.end()
    #define el "\n"

    typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

    const int inf=4e18;

    int dx[]={1,0,-1,0,1,1,-1,-1};
    int dy[]={0,1,0,-1,1,-1,1,-1};

    const int mod=1e9+7;
    const int MAX =1e6+7;

   // ---------------------------Function----------------------------------//
    void TestCake(){
       int p,q;
       cin>>p>>q;
       string s;
       cin>>s;
       int st=0;
       vector<int>ids;
       for(int i=0;i<s.size();i++){
            if(s[i]=='A'&&!st){
                s[i]=p+'0';
                st=1;
            }
            else if(s[i]=='A'){
                s[i]=q+'0';
            }
            else{
                ids.pb(i);
            }
       }
       int ok=0,f=0,sz=0;
       for(int i=1;i<=9;i++){
           if(i==p ||i==q)continue;
           string tmp=s;
           tmp[ids[0]]=(i+'0');
           for(int j=1;j<=9;j++){
              if(j==p || j==q ||i==j)continue;
               tmp[ids[1]]=(j+'0');
               if(is_sorted(all(tmp))){
//                 cout<<tmp<<el;
                 f=i,sz=j;
                ok++;
               }
           }
       }
       if(ok==1){
        cout<<f<<" "<<sz;
       }
       else{
        cout<<-1;
       }
    }
    //------------------------------Main---------------------------//
    signed main(){
        Major
        int T = 1;
//        cin >> T;
        while(T--){
            TestCake();
        //       cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
        }
        return 0;
    }