import os

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

index, index1, index2 = 0, 0, 0
buf = []

for x in input:
    index += 1
    buf.append(x)
    if index1 == 0 and len(buf) == 4:
        if len(set(buf)) == 4:
            index1 = index
        buf.pop(0)

    if index2 == 0 and len(buf) == 14:
        if len(set(buf)) == 14:
            index2 = index
            break
        buf.pop(0)

print("First answer: " + str(index1))
print("Second answer: " + str(index2))