import sys
import re

commentPattern = re.compile('^#.*')
automataStepPattern = re.compile(r'[0-9]+ [0-9]+ [A-Za-z]+( ([0-9]+\.[0-9]+)|)')

#print("First argument: ", sys.argv[0])

steps = 0

for line in sys.stdin:
    line = line.replace('\n', '')
    if commentPattern.match(line):
        continue
    if automataStepPattern.match(line):
        steps += 1

print(steps)