import sys
from pprint import pprint
from collections import Counter

with open(sys.argv[1], "r") as f:
    line = [line.rstrip('\n') for line in f]
print(line[0])
letters = line[0]

def find_dupe(input):
    WC = Counter(input)
    for letter, count in WC.items():
        if (count > 1):
            return True

for i in range(0,len(letters)-3):
    temp=""
    for j in range(0,4):
        temp += letters[i+j]
    if not find_dupe(temp):
        print(temp)
        print(i+4)
        break