import sys

class line:
    def __init__(self, tempinp, tempout):
        self.inp = []
        self.out = []
        self.inp = tempinp.split(' ')
        self.out = tempout.split(' ')
    def countout(self):
        self.count = 0
        for digit in self.out:
            if 2 <= len(digit) <= 4 or len(digit) == 7:
                self.count += 1
        return self.count
    
terminal = []
count = 0

with open(sys.argv[1], 'r') as f:
    for i in f.readlines():
        tempin = i.strip()
        inp, out = tempin.split(' | ')
        terminal.append(line(inp, out))

for lin in terminal:
    count += lin.countout()

print(count)