import strscans


proc divOrDefault(n, m, def: int): int =
  if m == 0: def else: n div m


let
  (_, a, b, c, d) = stdin.readAll.scanTuple"$i $i $i $i"
  x = divOrDefault(c, a, 10000)
  y = divOrDefault(d, b, 10000)

echo min(x, y)