#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

signed main(){
    //cout << setprecision(12) ;
    ios::sync_with_stdio(false);
	cin.tie(0);
 
    ll x,y,z;
    cin>>x>>y>>z;
    string s1,s2; ll t1,t2;
    cin>>s1>>t1>>s2>>t2;
    ll ans = 1e18;
    
    

    if(s1==s2){
        if(s1=="B") swap(x,y);
        if(s1=="C") swap(z,x);
        ans = abs(t2-t1);
        ll d1 = t1 + min(y,z) + x-t2;
        ll d2 = x-t1 +1 + min(y,z) + t2-1;
        ans = min(ans,min(d1,d2));
        cout<<ans<<endl;
    }
    else {
        ll a,b,c;
        if(s1=="A"){
            a=x;
            if(s2=="B"){
                b=y;
                c=z;
            }
            else {
                b=z,c=y;
            }
        }
        else if(s1=="B"){
            a=y;
            if(s2=="A"){
                b=x;
                c=z;
            }
            else {
                b=z;
                c=x;
            }
        }
        else {
            a=z;
            if(s2=="A"){
                b=x;
                c=y;
            }
            else {
                b=y;
                c=x;
            }
        }

        ll d1 = t1 + t2-1;
        ll d2 = t1 + c + b - t2;
        ll d3 = a - t1 + b-t2+1;
        ll d4 = a-t1  + c + t2;
        //cerr<<d1<<" "<<d2<<" "<<d3<<" "<<d4<<endl;
        ans = min(min(d1,d2),min(d3,d4));
        cout<<ans<<endl;
    }

}