import sys
import oosh
args = sys.argv[1:]
fromlist = [args[i] for i in range(0,len(args),2)]
tolist = [args[i] for i in range(1,len(args),2)]
pipein = sys.stdin.read().splitlines()
lines = oosh.get_from_pipe(pipein)
for dic in lines:
for key in list(dic.keys()):
for i in range(len(fromlist)):
if key==fromlist[i]:
old_value = dic[key]
del dic[key]
dic[tolist[i]] = old_value
sys.stdout.write(dic.__repr__())
sys.stdout.write('\n')
import sys
import os
import oosh
args = sys.argv[1:-2] # 1st arg to n-1th arg
second_pipe_fd = int(sys.argv[-1])
first_pipe_in = sys.stdin.read().splitlines()
second_pipe_in = os.fdopen(second_pipe_fd).read().splitlines()
first_lines = oosh.get_from_pipe(first_pipe_in)
second_lines = oosh.get_from_pipe(second_pipe_in)
unioned = first_lines + second_lines
for dic in unioned:
sys.stdout.write(dic.__repr__())
sys.stdout.write('\n')
