#!/bin/python3
import sys
from pprint import pprint

# Read instructions from file
with open("input", "r") as file:
    instructions = file.read().strip().split(", ")


#########################################
#                                       #
#              Part 1                   #
#                                       #
#########################################

# Define directions and movements in terms of (x, y) vectors
directions = [(0, 1), (1, 0), (0, -1), (-1, 0)]  # North, East, South, West

# Starting position and direction
x, y = 0, 0
current_direction = 0  # Start facing North (index 0 in directions)

# Process each instruction
for instruction in instructions:
    turn, steps = instruction[0], int(instruction[1:])

    # Update direction based on the turn
    if turn == 'R':
        current_direction = (current_direction + 1) % 4  # Turn right
    elif turn == 'L':
        current_direction = (current_direction - 1) % 4  # Turn left

    # Move in the current direction
    dx, dy = directions[current_direction]
    x += dx * steps
    y += dy * steps

# Calculate Manhattan distance from the origin
distance = abs(x) + abs(y)
print(distance)


#########################################
#                                       #
#              Part 2                   #
#                                       #
#########################################


# Define directions and movements in terms of (x, y) vectors
directions = [(0, 1), (1, 0), (0, -1), (-1, 0)]  # North, East, South, West

# Starting position and direction
x, y = 0, 0
current_direction = 0  # Start facing North (index 0 in directions)
visited = set()  # To track visited positions
visited.add((x, y))  # Starting point is visited

# Read instructions from file
with open("input", "r") as file:
    instructions = file.read().strip().split(", ")

# Process each instruction
for instruction in instructions:
    turn, steps = instruction[0], int(instruction[1:])
    
    # Update direction based on the turn
    if turn == 'R':
        current_direction = (current_direction + 1) % 4  # Turn right
    elif turn == 'L':
        current_direction = (current_direction - 1) % 4  # Turn left
    
    # Move step by step in the current direction
    dx, dy = directions[current_direction]
    for _ in range(steps):
        x += dx
        y += dy
        if (x, y) in visited:
            # Found the first location visited twice
            distance = abs(x) + abs(y)
            print(distance)
            exit()
        visited.add((x, y))