#include<bits/stdc++.h>
#define min(x,y) ((x)<(y)?(x):(y))
using namespace std;
map<pair<int,int>,int>egw;
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
    int u=1,v=2,w=3;
	egw[{u,v}]=egw[{v,u}]=min(egw[{u,v}],w);
	cout<<egw[{u,v}];
	return 0;
}