//Normal #define _GLIBCXX_DEBUG #define ll long long #include using namespace std; using Graph = vector>; void print(auto a){ cout << a; } void prints(auto a){ cout << a << " "; } void prints(){ cout << " "; } void printl(auto a){ cout << a << endl; } void printl(){ cout << endl; } void fix(int n){ cout << fixed << setprecision(n); } int main(){ int A, B; cin >> A >> B; A++; if(A <= B){ printl("YES"); printl(0); }else{ printl("NO"); printl(A-B); } return 0; }