f=open('population.txt')
contents=f.read()
lines=contents.split('\n')

if p>=1000 :
    print('%s is very densely populated')
elif p>=500 :
    print('%s is densely populated')
elif p>=300 :
    print('%s is normally populated')
elif p>=100 :
    print('%s is sparsely populated')
else :
    elif p>=300 :
    print('%s is very sparsely populated')