Input
Each line contains two numbers, which areheight in centimetersand weight in kilograms.
Output
For each pair of the given height and weight, please print out the results with following rules:
h
If the BMI is less than 18.5 (<= 18.5), please print "underweight".
If the BMI is between 18.5 and 25 (18.5 < BMI <= 25), please print "normal weight".
If the BMI is between 25 and 30(25 < BMI <= 30), please print "overweight".
If the BMI is greater than 30 (> 30), please print "obese".
Sample Input 1
Sample Output 1
160 50
150 60
180 55
normal weight
overweight
underweight
obese
normal weight
163 86
175 57