#include <bits/stdc++.h>
int main() {
  int A, B, C, X, Y;
  while (1) {
    scanf("%d %d %d %d %d", &A, &B, &C, &X, &Y);
    if (A >= 1 && B >= 1 && C >= 1 && A <= 5000 && B <= 5000 && C <= 5000 &&
        X >= 1 && Y >= 1 && X <= 10 ^ 5 && Y <= 10 ^ 5) {
      break;
    }
  }
  int x = 0, y = 0;
  if ((A + B) > 2 * C) {
    if (X >= Y) {
      if (X >= 2 * C) {
        x = 2 * (X - Y) * C;
      } else {
        x = (X - Y) * A;
      }
      y = Y * 2 * C;
    } else {
      if (Y >= 2 * C) {
        x = 2 * (Y - X) * C;
      } else {
        x = (Y - X) * B;
      }
      y = X * 2 * C;
    }
    printf("%d", x + y);
  } else if ((A + B) < 2 * C) {
    x = X * A;
    y = Y * B;
    printf("%d", x + y);
  } else {
    if (X > Y) {
      x = (X - Y) * A;
      y = Y * 2 * C;
    }
    if (X < Y) {
      x = (Y - X) * A;
      y = X * 2 * C;
    }
    if (X == Y) {
      x = X * A;
      y = Y * B;
    }
    printf("%d", x + y);
  }
  return 0;
}
