import sys

ffile = sys.argv[1]
amino = ["alanine", "arginine", "asparagine", "aspartic", "cysteine", "glutamic", "glutamine", "glycine", "histidine", "isoleucine", "leucine", "lysine", "methionine", "phenylalanine", "proline", "serine", "threonine", "tryptophan", "tyrosine", "valine"]
c = 0
r = ""
with open(ffile, mode="r") as inn:
        for line in inn:
                if line == "CC   -!- CATALYTIC ACTIVITY:\n":
                        r = inn.readline()[:-1]
                        line = inn.readline()
                        while line[0:9] == "CC       ":
                                line = inn.readline()
                                r += line[10:-1]
                        for acid in amino:
                                if acid in r:
                                        c += 1
                                        r = ""
                        r = ""
print(c)