#include "bits/stdc++.h"
#define in std::cin
#define out std::cout
#define rep(i,N) for(LL i=0;i<N;++i)
typedef long long int LL;

int main()
{
	LL x, y, z, t0, t1;
	char S0, S1;
	in >> x >> y >> z >> S0 >> t0 >> S1 >> t1;

	if (S0 > S1)
	{
		std::swap(S0, S1);
		std::swap(t0, t1);
	}

	LL ans = 1145148101919364;
	if (S0 == 'A' && S1 == 'A')
	{
		LL res1 = std::abs(t0 - t1);
		LL res2 = t0 + (y - 1) + (x - t1) + 1;
		LL res3 = t1 + (y - 1) + (x - t0) + 1;
		LL res4 = t0 + (z - 1) + (x - t1) + 1;
		LL res5 = t1 + (z - 1) + (x - t0) + 1;
		ans = std::min({ res1,res2,res3,res4,res5 });
	}
	if (S0 == 'A' && S1 == 'B')
	{
		LL res1 = t0 + (t1 - 1);
		LL res2 = (x - t0) + (y - t1) + 1;
		LL res3 = t0 + (z - 1) + (y - t1) + 1;
		LL res4 = (x - t0) + 1 + z + (t1 - 1);
		ans = std::min({ res1,res2,res3,res4 });
	}
	if (S0 == 'A' && S1 == 'C')
	{
		LL res1 = t0 + (t1 - 1);
		LL res2 = (x - t0) + 1 + (z - t1);
		LL res3 = t0 + y + (z - t1);
		LL res4 = (x - t0) + 1 + y + (t1 - 1);
		ans = std::min({ res1,res2,res3,res4 });
	}
	if (S0 == 'B' && S1 == 'B')
	{
		LL res1 = std::abs(t0 - t1);
		LL res2 = t0 + (x - 1) + (y - t1) + 1;
		LL res3 = t1 + (x - 1) + (y - t0) + 1;
		LL res4 = t0 + (z - 1) + (y - t1) + 1;
		LL res5 = t1 + (z - 1) + (y - t0) + 1;
		ans = std::min({ res1,res2,res3,res4,res5 });
	}
	if (S0 == 'B' && S1 == 'C')
	{
		LL res1 = t0 + (t1 - 1);
		LL res2 = (y - t0) + (z - t1) + 1;
		LL res3 = t0 + (x - 1) + (z - t1) + 1;
		LL res4 = (y - t0) + 1 + x + (t1 - 1);
		ans = std::min({ res1,res2,res3,res4 });
	}
	if (S0 == 'C' && S1 == 'C')
	{
		LL res1 = std::abs(t0 - t1);
		LL res2 = t0 + (y - 1) + (z - t1) + 1;
		LL res3 = t1 + (y - 1) + (z - t0) + 1;
		LL res4 = t0 + (x - 1) + (z - t1) + 1;
		LL res5 = t1 + (x - 1) + (z - t0) + 1;
		ans = std::min({ res1,res2,res3,res4,res5 });
	}
	out << ans << std::endl;
}