Problem1024--晨练

1024: 晨练

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 58  Solved: 43
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Description

输入温度t的值,判断是否适合晨练。(25<=t<=30,则适合晨练ok,否则不适合no)

Input

输入一个整数,用t表示。

Output

若25<=t<=30,则输出ok,否则输出no。

Sample Input Copy

28

Sample Output Copy

ok

Source/Category