#!/usr/bin/env python3

INPUT_FILE = 'input'

WINDOW_SIZE = 14

def main():
    content = map(str.strip, open(INPUT_FILE, 'r').readlines())
    for line in content:
        seen_chars = []
        char_pos = 0
        for char in line:
            char_pos += 1
            if len(seen_chars) == WINDOW_SIZE:
                seen_chars.pop(0)
            seen_chars.append(char)
            if len(set(seen_chars)) == WINDOW_SIZE:
                    print(seen_chars, char)
                    print(char_pos)
                    break


if __name__ == '__main__':
    main()