import sys

fsa_file = "./medium.in"  # FSA FILE
fsa = {}

with open(fsa_file, 'r', encoding='utf-8') as f:
    for line in f:
        parts = line.strip().split('\t')
        if len(parts) == 3:
            state, next_state, symbol = parts
            state, next_state = int(state), int(next_state)
            if (state, '') not in fsa:
                fsa[(state, '')] = {}
            fsa[(state, '')][symbol] = next_state

output_file_path = "./test.txt"  # OUTPUT FILE

def get_paths(current_state, current_path):
    if (current_state, '') not in fsa:
        return [current_path]

    paths = []
    for symbol, next_state in fsa[(current_state, '')].items():
        paths += get_paths(next_state, current_path + symbol)

    return paths

with open(output_file_path, 'w', encoding='utf-8') as output_file:
    start_state = min(state for state, _ in fsa)
    paths = get_paths(start_state, '')
    for path in paths:
        output_file.write(path + '\n')