import sys

numProduce = numNonProduce = 0

for food in sys.argv[1:]:
    if ((food == "apple") or
        (food == "orange") or
        (food == "banana")):
        print food, "is a fruit"
	numProduce += 1
    elif ((food == "potato") or
          (food == "carrot")):
        print food, "is a vegetable"
	numProduce += 1
    else:
        print food, "is not recognized produce"
	numNonProduce += 1

print "Produce index: ",  \
      ((numProduce * 1.0) / (numProduce + numNonProduce)) * 100, "%"