#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
freopen("asm_second.in","r",stdin);
freopen("asm_second.out","w",stdout);
cout<<"4";
return 0;
}
/*
#include<iostream>
#include<cstdio>
#include<iomanip>
#include<cstring>
#include<queue>
#include<cctype>
#include<math.h>
#include<string>
#include<cstdlib>
#include<map>
#include<set>
#include<vector>
#include<algorithm>
#define MAXN 10010
using namespace std;
int n,a,b,c,d,i,num=0;
double k1,k2,kp;
struct p
{
int x;
int y;
}p[MAXN];
int main()
{
	freopen("asm_second.in","r",stdin);
	freopen("asm_second.out","w",stdout);
	cin>>n;
	cin>>a>>b>>c>>d;
	k1=a/b;
	k2=c/d;
	//kp=tan((atan(k1)+atan(k2))/2);想出来不会用=-=
	for(i=1;i<=n;i++)
	{
		cin>>p[i].x>>p[i].y;}
	for(i=1;i<=n;i++)
	{
	if(p[i].x*k1<p[i].y&&p[i].x*k2>p[i].y)
    num++;
	}
*/