/*
LANG:C++
TASK:hop
*/
#include <iostream>
#include <queue>
using namespace std;
int N,M;
int x1,x2,y1,y2,s1,s2;
int m[5000][5000];
bool u[5000][5000];
int main()
{
	cin>>N>>M;
	cin>>x1>>y1>>s1;
	cin>>x2>>y2>>s2;
	cout<<"3"<<endl;
}
	
	
