import os

input = open(os.path.dirname(__file__) +
             "/input.txt", "r").read()


def findUniq(length):
    ind = 0
    for x in input:
        ind += 1
        if len(set(input[ind:ind+length])) == length:
            return ind+length
    return False


print("First answer: " + str(findUniq(4)))
print("Second answer: " + str(findUniq(14)))