#include <iostream>
using namespace std;
typedef long long LL;
LL x,y,z;
LL GetAB(LL A,LL B)
{
	LL D1=A-1+1+B-1;
	if (D1<0){
		D1=-D1;
	}
	LL D2=x-A+1+y-B;
	if (D2<0){
		D2=-D2;
	}
	LL D3=A-1+1+z-1+1+y-B;
	if (D3<0){
		D3=-D3;
	}
	LL D4=x-A+1+z-1+1+B-1;
	if (D4<0){
		D4=-D4;
	}
	return min(D1,min(D2,min(D3,D4)));
}
LL GetAC(LL A,LL C)
{
	LL D1=A-1+1+C-1;
	if (D1<0){
		D1=-D1;
	}
	LL D2=x-A+1+z-C;
	if (D2<0){
		D2=-D2;
	}
	LL D3=A-1+1+y-1+1+z-C;
	if (D3<0){
		D3=-D3;
	}
	LL D4=x-A+1+y-1+1+C-1;
	if (D4<0){
		D4=-D4;
	}
	return min(D1,min(D2,min(D3,D4)));
}

LL GetBC(LL B,LL C)
{
	LL D1=B-1+1+C-1;
	if (D1<0){
		D1=-D1;
	}	
	LL D2=y-B+1+z-C;
	if (D2<0){
		D2=-D2;
	}
	LL D3=B-1+1+x-1+1+z-C;
	if (D3<0){
		D3=-D3;
	}
	LL D4=y-B+1+x-1+1+C-1;
	if (D4<0){
		D4=-D4;
	}
	return min(D1,min(D2,min(D3,D4)));
}

LL GetAA(LL Ai,LL Aj)
{
	LL D1=Ai-Aj;
	if (D1<0){
		D1=-D1;
	}
	LL D2=Ai-1+1+y-1+1+x-Aj;
	if (D2<0){
		D2=-D2;
	}
	LL D3=Ai-1+1+z-1+1+x-Aj;
	if (D3<0){
		D3=-D3;
	}
	return min(D1,min(D2,D3));
}
LL GetBB(LL Bi,LL Bj)
{
	LL D1=Bi-Bj;
	if (D1<0){
		D1=-D1;
	}
	LL D2=Bi-1+1+x-1+1+y-Bj;
	if (D2<0){
		D2=-D2;
	}
	LL D3=Bi-1+1+z-1+1+y-Bj;
	if (D3<0){
		D3=-D3;
	}
	return min(D1,min(D2,D3));
}
LL GetCC(LL Ci,LL Cj)
{
	LL D1=Ci-Cj;
	if (D1<0){
		D1=-D1;
	}
	LL D2=Ci-1+1+x-1+1+z-Cj;
	if (D2<0){
		D2=-D2;
	}
	LL D3=Ci-1+1+y-1+1+z-Cj;
	if (D3<0){
		D3=-D3;
	}
	return min(D1,min(D2,D3));
}


int main(int argc, char* argv[])
{

	char S0,S1;
	LL t0,t1;
	cin>>x>>y>>z;
	cin>>S0>>t0;
	cin>>S1>>t1;
	if (S0=='A' && S1=='A'){
		cout<<GetAA(t0,t1)<<endl;
		return 0;
	}
	if (S0=='B' && S1=='B'){
		cout<<GetBB(t0,t1)<<endl;
		return 0;
	}
	if (S0=='C' && S1=='C'){
		cout<<GetCC(t0,t1)<<endl;
		return 0;
	}
	if (S0=='A' && S1=='B'){
		cout<<GetAB(t0,t1)<<endl;
		return 0;
	}
	if (S0=='B' && S1=='A'){
		cout<<GetAB(t1,t0)<<endl;
		return 0;
	}
	if (S0=='A' && S1=='C'){
		cout<<GetAC(t0,t1)<<endl;
		return 0;
	}
	if (S0=='C' && S1=='A'){
		cout<<GetAC(t1,t0)<<endl;
		return 0;
	}
	if (S0=='B' && S1=='C'){
		cout<<GetBC(t0,t1)<<endl;
		return 0;
	}
	if (S0=='C' && S1=='B'){
		cout<<GetBC(t1,t0)<<endl;
		return 0;
	}
	return 0;
}