#P121. 【例21.1】 定制毕业服

【例21.1】 定制毕业服

Description

Every year, the graduating class orders a certain number of T-shirts.
T-shirts come in different sizes. The following are the recommendations for T-shirt size selection:
For heights of 150cm or below, you can order size S.
For heights between 151cm and 160cm (inclusive), you can order size M.
For heights between 161cm and 170cm (inclusive), you can order size L.
For heights between 171cm and 180cm (inclusive), you can order size XL.
For heights of 181cm or above, you can order size XXL.

Input Format

A single line containing an integer x (140 ≤ x ≤ 200), representing the height in centimeters.

Output Format

A single character or string indicating the recommended T-shirt size.

Sample

160
M