#include <cstdio>
#include <iostream>
#include <fstream>
using namespace std;

int main(int argc, const char* argv[])
{		
	ofstream score(argv[4]);	
	ifstream sol (argv[3]);
	long mi,ma;
	sol >> mi >> ma;
	ifstream out (argv[1]);
	if (out.is_open() == false)
		 score << 0 << endl;
	else
	{
		long r1,r2;
		out >> r1 >> r2;
		
		long rez=0;
		if (r1==mi) rez+=2;
		if (r2==ma) rez+=2;
		
		score << rez << endl;
	}
	
 	sol.close();
 	out.close();
 	score.close();
	return 0;
}