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

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define rep(i,a) FOR(i, 0, a)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl
#define p_yes() p("YES")
#define p_no() p("NO")

const ll mod = 1e9 + 7;
const ll inf = 1e18;

void vprint(vector<ll> A){
    ll L = A.size();
    FOR(i, 0, L){
        if(i) cout << ' ';
        cout << A[i];
    }
    cout << endl;
}

ll d[12][12];

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    ll X, Y, Z; cin >> X >> Y >> Z;

    char s0; cin >> s0;
    ll t0; cin >> t0;

    char s1; cin >> s1;
    ll t1; cin >> t1;

    rep(i, 12){
        rep(j, 12){
            if(i==j){
                d[i][j] = 0;
            }else{
                d[i][j] = inf;
            }
        }
    }

    d[0][4] = d[4][0] = 1;
    d[0][8] = d[8][0] = 1;
    d[4][8] = d[8][4] = 1;

    d[3][7] = d[7][3] = 1;
    d[7][11] = d[11][7] = 1;
    d[3][11] = d[11][3] = 1;

    d[0][3] = d[3][0] = X-1;
    d[4][7] = d[7][4] = Y-1;
    d[8][11] = d[11][8] = Z-1;

    if(s0==s1){
        if(t0>t1) swap(t0, t1); // t0<t1とする
        if(s0=='A'){
            d[0][1] = d[1][0] = t0-1;
            d[1][2] = d[2][1] = t1-t0;
            d[2][3] = d[3][2] = X-t1;
        }
        else if(s0=='B'){
            d[4][5] = d[5][4] = t0-1;
            d[5][6] = d[6][5] = t1-t0;
            d[6][7] = d[7][6] = Y-t1;
        }
        else{
            d[8][9] = d[9][8] = t0-1;
            d[9][10] = d[10][9] = t1-t0;
            d[10][11] = d[11][10] = Z-t1;
        }
    }
    else{
        if(s0=='A'){
            d[0][1] = d[1][0] = t0-1;
            d[1][3] = d[3][1] = X-t0;
        }
        else if(s0=='B'){
            d[4][5] = d[5][4] = t0-1;
            d[5][7] = d[7][5] = Y-t0;
        }
        else{
            d[8][9] = d[9][8] = t0-1;
            d[9][11] = d[11][9] = Z-t0;
        }

        // S1
        if(s1=='A'){
            d[0][1] = d[1][0] = t1-1;
            d[1][3] = d[3][1] = X-t1;
        }
        else if(s1=='B'){
            d[4][5] = d[5][4] = t1-1;
            d[5][7] = d[7][5] = Y-t1;
        }
        else{
            d[8][9] = d[9][8] = t1-1;
            d[9][11] = d[11][9] = Z-t1;
        }
    }

    // pn(d[0][1]);
    // pn(d[0][2]);
    // pn(d[0][3]);
    // exit(0);

    FOR(i, 0, 12){ // 経由点
        FOR(j, 0, 12){ // 始点
            FOR(k, 0, 12){ // 終点
                d[j][k] = min(d[j][k], d[j][i] + d[i][k]);
            }
        }
    }

    // p2(s0, t0);
    // p2(s1, t1);

    ll ans;
    if(s0==s1){
        if(s0=='A'){
            ans = d[1][2];
        }else if(s0=='B'){
            ans = d[5][6];
        }else{
            ans = d[9][10];
        }
    }
    else{
        if(s0=='A'){
            if(s1=='B'){
                ans = d[1][5];
            }else{
                // C
                ans = d[1][9];
            }
        }
        else if(s0=='B'){
            if(s1=='A'){
                ans = d[5][1];
            }else{
                // C
                ans = d[5][9];
            }
        }
        // s0=='C'
        else{
            if(s1=='A'){
                ans = d[1][9];
            }else{
                // B
                ans = d[5][9];
            }
        }
    }
    p(ans);
    
    return 0;
}