import sys

def window_iter(it, size):
	from itertools import tee
	wt = tee(it, size)  # tuple(n iterables)
	# shift each iterator by its place in the window
	for (i,x) in enumerate(wt):
		for _ in range(i):
			next(x)
	while True:
		try:
			yield tuple(next(x) for x in wt)
		except RuntimeError:  # RuntimeError: generator raised StopIteration
			break

L = sys.stdin.read()

from itertools import combinations as comb

for (i, T) in enumerate(window_iter(L,14)):
	if all(map(lambda x: x[0] != x[1], comb(T,2))):
		print(i+14, L[i:i+14])
		break