题解

#include<bits/stdc++.h>
using namespace std;
int a,b,c[3],d[3];
int main(){
cin>>a>>b>>c[0]>>d[0]>>c[1]>>d[1]>>c[2]>>d[2];
if(a%c[0]!=0){if(d[0]*(a/c[0]+1)<=b){cout<<"YES";return 0;}};
if(a%c[0]==0){if(d[0]a/(c[0])<=b){cout<<"YES";return 0;}};
if(a%c[1]!=0){if(d[1](a/c[1]+1)<=b){cout<<"YES";return 0;}};
if(a%c[1]==0){if(d[1]a/(c[1])<=b){cout<<"YES";return 0;}};
if(a%c[2]!=0){if(d[2](a/c[2]+1)<=b){cout<<"YES";return 0;}};
if(a%c[2]==0){if(d[2]*a/(c[2])<=b){cout<<"YES";return 0;}};
cout<<"NO";
return 0;
}