How to Address a Person

Given a person Y with information about their age and gender, determine how we should address them according to the following rules:

• Be if the person is not older than 5 years old.
• Em if the person is not older than 20 years old.
• Anh if the person is not older than 35 years old and is male.
• Chi if the person is not older than 35 years old and is female.
• Chu if the person is not older than 60 years old and is male.
• Co if the person is not older than 60 years old and is female.
• Ong if the person is older than 60 years old and is male.
• Ba if the person is older than 60 years old and is female.

Input

The input contains:

• An integer representing the person's age.
• A string representing the person's gender.

The gender is either:

• Nam for male.
• Nu for female.

Output

Output one word representing how person Y should be addressed.

Example

Input

18 Nam

Output

Em