s = input().strip()
s = s[1:-1]
parts = s.split(','
numbers = []
for part in parts:
if '-' in part:
start_str, end_str = part.split('-'
start = int(start_str)
end = int(end_str)
for num in range(start, end + 1):
numbers.append(num)
else:
num = int(part)
numbers.append(num)
for num in numbers:
print(num)