import sys


class FrequencyCounter:

    def __init__(self):
        self.freq = {}
        self.total = 0

    def addline(self, line):
        for c in line:
            if c not in self.freq:
                self.freq[c] = 0
            self.freq[c] = self.freq[c] + 1
            self.total = self.total + 1

    def print_result(self):
        print 'Number of e:', self.freq['e'], '/', self.total


grandcounter = FrequencyCounter()

for filename in sys.argv[1:]:
    input_file = open(filename)
    lines = input_file.readlines()
    input_file.close()

    counter = FrequencyCounter()

    for line in lines:
        counter.addline(line)
        grandcounter.addline(line)

    print filename
    counter.print_result()

print 'total'
grandcounter.print_result()