name = input('Podaj nazwę pliku: ')
handle = open(name, 'r')

counts = dict()
for line in handle:
    line = line.lower()
    words = line.split()
    for word in words:
        counts[word] = counts.get(word, 0) + 1

bigcount = None
bigword = None
for word, count in list(counts.items()):
    if bigcount is None or count > bigcount:
        bigword = word
        bigcount = count

print(bigword, bigcount)