ac of python

ys=input().strip()
hash_positions = []
for i in range(len(ys)):
    if ys[i] == '#':
        hash_positions.append(i)
zl = ""
for i in range(0, len(hash_positions), 2):
    start = hash_positions[i] + 1
    end = hash_positions[i + 1]
    zl += ys[start:end]
print(zl)