题解

#include <bits/stdc++.h>
using namespace std;
int main(){
int a,b;
cin>>a>>b;
int x1,y1,x2,y2,x3,y3;
cin>>x1>>y1>>x2>>y2>>x3>>y3;
int cnt=b/y1;
int ans=x1cnt;
if(a<=ans){
cout<<"YES";
return 0;
}
cnt=b/y2;
ans=x2cnt;
if(a<=ans){
cout<<"YES";
return 0;
}
cnt=b/y3;
ans=x3*cnt;
if(a<=ans){
cout<<"YES";
return 0;
}

	cout<<"NO";


return 0;

}