Description

After a long holiday, many people have gained weight, which can seriously affect health. Please write a program to determine whether a person's body shape is standard based on their height (in centimeters) and weight (in kilograms).
Note: Standard weight = (height - 100) × 0.9. If the actual weight exceeds 1.1 times the standard weight, the person is considered "fat"; if the actual weight is less than 0.9 times the standard weight, the person is considered "thin"; otherwise, the person is considered "standard".

Input Format

Input two integers, representing height (in centimeters) and weight (in kilograms).

Output Format

Output fat for overweight, thin for underweight, or standard for standard.

Sample

100 130

fat