#include #include #include #include #include using namespace std; using ll=long long; #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 main(){ ios::sync_with_stdio(false); cin.tie(nullptr); ll a,b,c,d; cin>>a>>b>>c>>d; int N; cin>>N; vectorX(N),Y(N); for(int i=0;i>X[i]>>Y[i]; if(a*d==b*c){ set>se; ll g=gcd(a,c); for(int i=0;i>se; ll M=abs(a*d-b*c); for(int i=0;i