#include <iostream>
#include <algorithm>
using namespace std;

int main(){
  int a,b,c,x,y;
  cin>>a>>b>>c>>x>>y;
  int t=a*x+b*y;
  int k;
  int o;
  
  if(x>y){
    k=c*2*x;
	o=c*2*y+a*(x-y);}
  else if(x=y){
    k=c*2*x;
	o=c*2*x;}
  else{
    k=c*2*y;
	o=c*2*x+b*(y-x);}

  int min=(t<=k?t:k);
  int min0=(min<=o?min:o);
  cout<<min0<<endl;
  }