// dfmt off
T lread(T=long)(){return readln.chomp.to!T;}T[] lreads(T=long)(long n){return iota(n).map!((_)=>lread!T).array;}
T[] aryread(T=long)(){return readln.split.to!(T[]);}void arywrite(T)(T a){a.map!text.join(' ').writeln;}
void scan(L...)(ref L A){auto l=readln.split;foreach(i,T;L){A[i]=l[i].to!T;}}alias sread=()=>readln.chomp();
void dprint(L...)(lazy L A){debug{auto l=new string[](L.length);static foreach(i,a;A)l[i]=a.text;arywrite(l);}}
static immutable MOD=10^^9+7;alias PQueue(T,alias l="b<a")=BinaryHeap!(Array!T,l);import std, core.bitop;
// dfmt on

void main()
{
    long A, B, C, X, Y;
    scan(A, B, C, X, Y);
    long ans = long.max;
    ans = ans.min(A * X + B * Y);
    ans = ans.min(min(X, Y) * C * 2 + max(0, X - min(X, Y)) * A + max(0, Y - min(X, Y)) * B);
    ans = ans.min(max(X, Y) * C * 2);
    writeln(ans);
}
