# 遊園地T=[str(i)+'!' if str(i) in '3'or i%3==0 else str(i) for i in range(1,21)][print(i) for i in T]
Standard input is empty
1 2 3! 4 5 6! 7 8 9! 10 11 12! 13 14 15! 16 17 18! 19 20
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