#include using namespace std; #define fst(t) std::get<0>(t) #define snd(t) std::get<1>(t) #define thd(t) std::get<2>(t) using ll = long long; using P = std::tuple; const int dx[8] = {-1, 1, 0, 0, -1, -1, 1, 1}, dy[8] = {0, 0, -1, 1, -1, 1, -1, 1}; int main(){ std::cin.tie(nullptr); std::ios::sync_with_stdio(false); int A, B; std::cin >> A >> B; for(int i=-100;i<=100;++i){ if(A * i == B){ std::cout << i << std::endl; return 0; } } std::cout << "NO" << std::endl; }