```cpp
#include<iostream>
using namespace std;
int main(){
int n,n1,n2,n3,p1,p2,p3,t1,t2,t3,total;
cin>>n>>n1>>p1>>n2>>p2>>n3>>p3;
t1=!(n%n1)?n/n1*p1:(n/n1+1)*p1;
t2=!(n%n2)?n/n2*p2:(n/n2+1)*p2;
t3=!(n%n3)?n/n3*p3:(n/n3+1)*p3;
total=t1;
if(t2<total)total=t2;
if(t3<total)total=t3;
cout<<total<<endl;
return 0;
}
```
by Klaus_Game_Bot @ 2021-12-11 15:32:43