g, s, c = map(int, input().split())
d = 3 * g + 2 * s + c
l = []
if d >= 8:
l.append("Province")
elif d >= 5:
l.append("Duchy")
elif d >= 2:
l.append("Estate")
if d >= 6:
l.append("Gold")
elif d >= 3:
l.append("Silver")
else:
l.append("Copper")
print(*l, sep = " or ")