#include <iostream>
#include <algorithm>
#include <atcoder/all>
#pragma GCC target ("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
using namespace std;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int a,b;cin>>a>>b;
  int c=1000000000,d=1000000000,e=2000000000;
  while(a!=c)c--,e--;
  while(b!=d)d--,e--;
  cout<<e<<endl;
}