# your code goes here
from sys import stdin
s = ""#raw_input()
address = ""
# print(s)
for s in stdin:
s = s.rstrip("\n")
address += s[s.index(':')+1:] + ", "
# print(address + "\n")
# while(s):
address = address[:-1]
print(address)
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCmZyb20gc3lzIGltcG9ydCBzdGRpbgoKcyA9ICIiI3Jhd19pbnB1dCgpCmFkZHJlc3MgPSAiIgojIHByaW50KHMpCmZvciBzIGluIHN0ZGluOgoJcyA9IHMucnN0cmlwKCJcbiIpCglhZGRyZXNzICs9IHNbcy5pbmRleCgnOicpKzE6XSArICIsICIKCSMgcHJpbnQoYWRkcmVzcyArICJcbiIpCgojIHdoaWxlKHMpOgoJCmFkZHJlc3MgPSBhZGRyZXNzWzotMV0KcHJpbnQoYWRkcmVzcyk=