import sysimport csv for line in csv.reader(sys.stdin): print("\t".join(line))
A,,C,"D,E,F","G",I,"K,L,M",Z A,",C,D,E,F","G",I,"K,L,M",Z
A C D,E,F G I K,L,M Z A ,C,D,E,F G I K,L,M Z
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