#include using namespace std; #ifdef LOCAL #include "settings/debug.cpp" #define _GLIBCXX_DEBUG #else #define Debug(...) void(0) #endif #define rep(i, n) for (int i = 0; i < (n); ++i) using ll = long long; using ull = unsigned long long; int main() { ll a, b; cin >> a >> b; cout << (abs(a) < abs(b) ? "Yes" : "No") << endl; return 0; }