#include <bits/stdc++.h>

int ri() {
	int n;
	scanf("%d", &n);
	return n;
}

int64_t rll() {
	long long n;
	scanf("%lld", &n);
	return n;
}

int main() {
	int64_t x[3];
	for (int i = 0; i < 3; i++) x[i] = ri();
	char s1, s2;
	int64_t t1, t2;
	{
		std::string tmp;
		std::cin >> tmp;
		s1 = tmp[0];
		t1 = ri() - 1;
		std::cin >> tmp;
		s2 = tmp[0];
		t2 = ri() - 1;
		
		if (t1 > t2) std::swap(t1, t2), std::swap(s1, s2);
	}
	s1 -= 'A';
	s2 -= 'A';
	int64_t res = 1000000001;
	if (s1 == s2) res = std::min(res, t2 - t1);
	for (int i = 0; i < 3; i++) {
		{
			int64_t cost = 0;
			int64_t pos1;
			if (i == s1) pos1 = t1;
			else pos1 = 0, cost += t1 + 1;
			int64_t pos2;
			if (i == s2) pos2 = t2;
			else pos2 = x[i] - 1, cost += x[s2] - t2;
			cost += pos2 - pos1;
			res = std::min(res, cost);
		}
		res = std::min(res, t1 + t2 + 1);
		res = std::min(res, (x[s1] - t1 - 1) + (x[s2] - t2 - 1) + 1);
	}
	std::cout << res << std::endl;
	
	return 0;
}