#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define ALL(v) v.begin(),v.end()
typedef long long ll;

#include <bits/stdc++.h>
using namespace std;

int main(){
  int n;
  cin>>n;
  
  rep(i,n+2){
    if(i) cout<<" ";
    if(i==0 || i==n+1) cout<<2000000000;
    else if(i%2==1) cout<<2;
    else cout<<4;
  }

  return 0;
}