<reponame>vext01/lang_tester
# VM:
#   status: success
#   stdin:
#     a
#       b
#     a
#   stdout:
#     $1
#       b
#     $1

import sys

for l in sys.stdin:
    sys.stdout.write(l)

# VM:
#   status: success
#   stdin:
#     a
#       b
#     a
#   stdout:
#     $1
#       b
#     $1

import sys

for l in sys.stdin:
    sys.stdout.write(l)
# VM: #   status: success #   stdin: #     a #       b #     a #   stdout: #     $1 #       b #     $1