g, s, c = map(int, input().split())
bp = (3 * g) + (2 * s) + c

victory = None
if bp >= 8:
    victory = "Province"
elif bp >= 5:
    victory = "Duchy"
elif bp >= 2:
    victory = "Estate"

treasure = "Copper"
if bp >= 6:
    treasure = "Gold"
elif bp >= 3:
    treasure = "Silver"

if victory is not None:
    print(f"{victory} or {treasure}")
else:
    print(treasure)