#include <bits/stdc++.h>
#include <map>
#include <set>
#include <vector>
#include <algorithm>
#include <iostream>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <iomanip>
#include <math.h>
#include <time.h>
using namespace std;
#define rep(i, n) for (ll i = 0; i < (ll)n; i++)
#define repf(i, a, b) for (ll i = (ll)a; i < (ll)b; i++)
#define repr(i, a, b) for (ll i = (ll)a; i > (ll)b; i--)
#define all(v) (v).begin(), (v).end()
#define mp(a, b) make_pair(a, b)
#define pb(x) push_back(x)
#define eb(x) emplace_back(x)
#define F first
#define S second
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pdd;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<int> vii;
typedef vector<vii> vvii;
const ll mod = 1e9 + 7;
const int infi = 1147483600;
const ll infl = 1e17;
const char ENDL = '\n';


int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    ll x, y, z;
    cin >> x >> y >> z;
    char ss, gs;
    ll st, gt;
    cin >> ss >> st >> gs >> gt;
    vll dist(10, infl);
    vvll edges(10, vll(10, infl));
    edges[2][3] = edges[3][2] = x-1;
    edges[4][5] = edges[5][4] = y - 1;
    edges[6][7] = edges[7][6] = z - 1;
    edges[0][2] =  edges[0][4] =  edges[0][6] =  0;
    edges[1][3] =  edges[1][5] =  edges[1][7] =  0;
    edges[2][0] = edges[4][0] = edges[6][0] = edges[3][1] = edges[5][1] = edges[7][1] = 1;
    if (ss == 'A')
    {
        edges[2][8] = edges[8][2] = st - 1;
        edges[3][8] = edges[8][3] = x - st;
    }
    if (ss == 'B')
    {
        edges[4][8] = edges[8][4] = st - 1;
        edges[5][8] = edges[8][5] = y - st;
    }
    if (ss == 'C')
    {
        edges[6][8] = edges[8][6] = st - 1;
        edges[7][8] = edges[8][7] = z - st;
    }
    if (gs == 'A')
    {
        edges[2][9] = edges[9][2] = gt - 1;
        edges[3][9] = edges[9][3] = x - gt;
    }
    if (gs == 'B')
    {
        edges[4][9] = edges[9][4] = gt - 1;
        edges[5][9] = edges[9][5] = y - gt;
    }
    if (gs == 'C')
    {
        edges[6][9] = edges[9][6] = gt - 1;
        edges[7][9] = edges[9][7] = z - gt;
    }
    if (ss==gs){
        edges[8][9] = edges[9][8] = abs(st - gt);
    }
    dist[8] = 0;
    set<ll> check;
    check.insert(8);
    while (!(check.empty())){
        ll now = *check.begin();
        check.erase(now);
        rep(nex,10){
            if (dist[nex]>dist[now]+edges[now][nex]){
                dist[nex] = dist[now] + edges[now][nex];
                check.insert(nex);
            }
        }
    }
    cout << dist[9] << ENDL;
}