#include using namespace std; typedef long long int ll; typedef pair P; typedef vector VI; typedef vector VVI; #define REP(i,n) for(int i=0;i<(n);i++) #define ALL(v) v.begin(),v.end() constexpr ll MOD=1000000007; constexpr ll INF=2e18; ll power(ll x, ll y, ll m){ x%=m; ll ret=1; while(y){ if(y&1) ret=ret*x%m; x=x*x%m; y>>=1; } return ret; } ll divid(ll x, ll y){ x%=MOD; return x*power(y,MOD-2,MOD)%MOD; } int main(){ ll n, k; cin >> n >> k; ll d=power(2,k-1,MOD); VI ans(n,0); if(n%2==0){ ll r=power(2,k-1,n/2); ll a=divid(d-r+MOD,n/2); REP(i,n/2){ if(i