题解

#include<bits/stdc++.h>
using namespace std;
int main(){
    bool kk=0;
    int x[114],y[114];
    int a,b;
    cin>>a>>b;
    for(int i=1;i<=3;i++){
        cin>>x[i]>>y[i];
        if(b/y[i]*x[i]>=a)kk=1;
    }
    if(kk)
        cout<<"YES";
    else
        cout<<"NO";
}