Alert Priority

Source: Phước Hưng OJ

Version: Phuoc Hung OJ Extended

Problem Statement

A system monitors temperature $t$ and water level $w$. Print HOT if temperature is at least $90$. Otherwise, print LOW when the water level is below $20$. Print OK when neither alert applies. HOT takes priority when both conditions hold.

Input

Two integers $t$ and $w$ represent temperature and water level.

Output

Print exactly one of HOT, LOW, OK.

Subtasks

• Subtask 1 (20 points): $-50\le t<90$ and $20\le w\le100$.
• Subtask 2 (30 points): $-50\le t<90$ and $0\le w\le100$.
• Subtask 3 (50 points): $-50\le t\le200$ and $0\le w\le100$.

Examples

Input

95 10

Output

HOT

Explanation

Temperature $95$ triggers the higher-priority overheat alert. Although $w=10$ is low, only HOT is printed.