import sys
from math import prod
from typing import Literal, cast

lines = sys.stdin.read().splitlines()

commands = [
    (cast(Literal["forward", "up", "down"], (p := line.split())[0]), int(p[1]))
    for line in lines
]


def depth_and_position(use_aim: bool):
    aim, pos, depth = 0, 0, 0
    for command, value in commands:
        d_depth = 0
        match command:
            case "forward":
                pos += value
                depth += value * aim
            case "up":
                d_depth = -value
            case "down":
                d_depth = value

        if use_aim:
            aim += d_depth
        else:
            depth += value

    return depth, pos


# part 1
answer_1 = prod(depth_and_position(False))
print(f"answer 1 is {answer_1}")

# part 2
answer_2 = prod(depth_and_position(True))
print(f"answer 2 is {answer_2}")