Count Words length


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Points: 10 (partial)
Time limit: 1.0s
Memory limit: 64M

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Problem types

題目說明

輸入一行英文句子,以空格分段

只輸出字數大於等於5的單字

// 不需要處理標點符號

輸入

一行英文句子

輸出

長度大於等於5的所有單字

若單字長度皆小於5,輸出None

範例輸入1

How are you

範例輸出1

None

範例輸入2

Welcome to object-oriented programming class B

範例輸出2

Welcome object-oriented programming class

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