#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <array>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
#include <memory>
#include <regex>
using namespace std;

int main()
{
    vector<int> n(3);
    for(int i=0; i<3; ++i)
        cin >> n[i];

    vector<int> s(2), x(2), y(2);
    for(int i=0; i<2; ++i){
        char c;
        cin >> c >> x[i];
        s[i] = c - 'A';
        -- x[i];
        y[i] = n[s[i]] - x[i] - 1;
    }

    int ans = min(x[0] + y[1], x[0] + y[1]) + *min_element(n.begin(), n.end()) + 1;
    ans = min({ans, x[0] + x[1] + 1, y[0] + y[1] + 1});
    if(s[0] == s[1])
        ans = min(ans, abs(x[0] - x[1]));
    cout << ans << endl;

    return 0;
}