#!/usr/bin/env python3

# input file has an integer on every line
# pointer starts at the first line
# each 'jump' moves by the value of the line
# positive goes downward, negative goes upward
# after the jump, increment the jumping-off line by +1

if __name__ == '__main__':
    with open("input", "r", encoding="utf-8") as maze_file:
        maze_strings = maze_file.readlines()
        maze_size = len(maze_strings)
        maze_ints = []
        for i in range(maze_size):
            maze_ints.append(int(maze_strings[i]))
        pointer = 0
        jumps = 0
        while pointer < maze_size and pointer >= 0:
            current_value = maze_ints[pointer]
            maze_ints[pointer] = current_value + 1
            jumps += 1
            pointer += current_value
        print(f'finally, jumping from {current_value} at {pointer - current_value}, you missed {pointer}!')
        print(f'it took {jumps} jumps!')