Temperature Classifier

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Points: 3
Time limit: 1.0s
Memory limit: 64M

Problem type

Teddy is developing a weather program! Among many other features, it will also give the user a summary of today's temperature. But numbers suck, so he hopes you can help him write a program to classify a temperature (in degrees Celsius) as "cold", "cool", "warm", or "hot".

Temperatures are classified as such:

Temperature Classification Temperature Reading (in ^\circ C)
cold Below 15^\circ C
cool From 15^\circ C to 21^\circ C
warm From 22^\circ C to 30^\circ C
hot Above 30^\circ C

For this problem, you can also assume that the temperature reading is an integer.

Input Specification

The first line contains an integer C (-50\le C\le 50), the temperature reading in degrees Celsius.

Output Specification

One line with either "cold", "cool", "warm", or "hot" (all lowercase!), the classification of the given temperature reading

Sample Input


Sample Output



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