/* -*- coding: utf-8 -*-
 *
 * 859.cc:  No.859 路線A、路線B、路線C - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int N = 3;

/* typedef */

typedef long long ll;

/* global variables */

/* subroutines */

inline void setmin(ll &a, ll b) { if (a > b) a = b; }

/* main */

int main() {
  ll ls[N];
  for (int i = 0; i < N; i++) scanf("%lld", ls + i), ls[i]--;

  char s0[4], s1[4];
  ll t0, t1;
  scanf("%s%lld%s%lld", s0, &t0, s1, &t1);
  int r0 = s0[0] - 'A', r1 = s1[0] - 'A';
  t0--, t1--;
  if (t0 > t1) swap(t0, t1);

  ll ans = 0;
  if (r0 == r1) {
    int q0 = (r0 + 1) % N, q1 = (r0 + 2) % N;
    ans = t1 - t0;
    setmin(ans, t0 + 1 + min(ls[q0], ls[q1]) + 1 + (ls[r0] - t1));
  }
  else {
    int q0;
    for (q0 = 0; q0 == r0 || q0 == r1; q0++);

    ans = t0 + 1 + t1;
    setmin(ans, (ls[r0] - t0) + 1 + (ls[r1] - t1));
    setmin(ans, t0 + 1 + ls[q0] + 1 + (ls[r1] - t1));
    setmin(ans, (ls[r0] - t0) + 1 + ls[q0] + 1 + t1);
  }

  printf("%lld\n", ans);
  return 0;
}