# Created by Donyo Ganchev, Agricultural University, town of Plovdiv, Bulgaria
#donyo@abv.bg
choice=None
def IM():
num_0=input('Enter the number of plant parts with ball 0 (healthy): ')
num_1=input('Enter the number of plant parts with ball 1: ')
num_2=input('Enter the number of plant parts with ball 2: ')
num_3=input('Enter the number of plant parts with ball 3: ')
num_4=input('Enter the number of plant parts with ball 4: ')
sumi=num_1+(2*num_2)+(3*num_3)+(4*num_4)
sumg=num_0+num_1+num_2+num_3+num_4
mb=0.00
if num_1>0:
mb=1
if num_2>0:
mb=2
if num_3>0:
mb=3
if num_4>0:
mb=4
im=(float(sumi)/(sumg*mb))*100
print \
"""
"""
print "Index of Mc.Kynney: ", im
print "General number of plant parts: ", sumg
while choice!="0":
print \
"""
Index of Mc.Kynney Calculation Program
1 - Begin calculation
0 - Exit
"""
choice= raw_input("Choice: ")
if choice == "0":
exit()
elif choice=="1":
IM()
