1252: 【例3.4】适合晨练

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:185 Solved:98

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

输入温度t的值。

Output

输出判断结果

Sample Input Copy

26

Sample Output Copy

ok!