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

//template
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(v) (v).begin(),(v).end()
using ll=long long int;
const int inf = 0x3fffffff; const ll INF = 0x1fffffffffffffff; const double eps=1e-12;
template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
template<typename T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}



int main(){
   int n,k;
   cin>>n>>k;

   vector<int> res={k*2};
   rep(_,0,n-2)res.push_back(1);
   res.push_back(k*2+n-2);
   rep(i,0,n)cout<<res[i]<<(i==n-1?'\n':' ');
   return 0;
}