/*#include<bits/stdc++.h> using namespace std; int main(){ int m,n,luckly; int luck[1000]; cin>>m>>n; for(int i=m;i<=n;i++){ if(luck[i]%6==0||luck[1000]%8==0){ luck[i]=luckly; } cout<<luck[i]; } return 0; }*/ #include<bits/stdc++.h> using namespace std; int main(){ int a,b; cin>>a>>b; cout<<"2000"; return 0; }