import random
n = random.randint(1, 100)
print(n)
x = [random.randint(1, 100) for _ in range(n)]
for each in x:
print(each, end=" ")
print()
m = random.randint(1, 100)
print(m)
signs = ['+', '-']
p = [each for each in x]
for _ in range(m):
sn = random.choice(signs)
if not p:
sn = "+"
print(sn, end=" ")
r = random.randint(1, 100)
if sn == "-":
while r not in p:
r = random.choice(p)
p.remove(r)
else:
p.append(r)
print(r)