#include #include using namespace std; using namespace atcoder; using ll = long long; using mint = modint1000000007; #define rep(i,n) for (ll i = 0; i < n; i++) #define rrep(i,n) for (int i = n-1; i >= 0; i--) #define rep2(i,a,b) for (int i = a; i < b; i++) #define rrep2(i,a,b) for (int i = a-1; i >= b; i--) #define rep3(i,a,b,c) for (int i = a; i < b; i+=c) #define rrep3(i,a,b,c) for (int i = a-1; i >= b; i-=c) #define all(v) v.begin(),v.end() #define rall(v) v.rbegin(),v.rend() template bool chmax(T &a, T b){if (a < b){a = b;return true;} else return false;} template bool chmin(T &a, T b){if (a > b){a = b;return true;} else return false;} int n,h; int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); cin>>n>>h; int p; if(n==6)p=3; else if(n==28)p=7; else if(n==496)p=31; else p=127; bool f=true; if(h%p!=0){ h=n/h; f=false; } vector>A(h,vector(n/h)); int q=h,at=0; while(q