#include<iostream>
#include<cmath>
#include<cstdlib>
using namespace std;

int a,b;

int main()
{
	cin>>a>>b;
	switch(a)
	{
		case 1:
			{
				if(b==1)
					cout<<3<<endl;
				else
					cout<<1<<endl;
				break;
			}
		case 2:
			{
				if(b==1)
					cout<<4<<endl;
				else
					cout<<2<<endl;
				break;
			}
		case 3:
			{
				if(b==1)
					cout<<1<<endl;
				else
					cout<<3<<endl;
				break;
			}
		case 4:
			{
				if(b==1)
					cout<<2<<endl;
				else
					cout<<4<<endl;
				break;
			}
	}
	system("pause");
	return 0;
}