#!/usr/bin/python3

ship_direction="E"
ship_horz=0
ship_vert=0
directions=["E", "S", "W", "N"]

def do_move(direction, amount):
    global ship_horz
    global ship_vert
    if direction in ["E", "W"]:
        if direction == "W":
            amount=amount*-1
        ship_horz+=amount
    elif direction in ["N", "S"]:
        if direction == "S":
            amount=amount*-1
        ship_vert+=amount

def turn(amount,multiplier):
    global ship_direction
    global directions

    dir_pos=0
    for a,dir2 in enumerate(directions):
        if dir2 == ship_direction:
            dir_pos=a
            break

    print("Loc: {}".format(dir_pos))

    dir_pos+=int((int(amount) / 90) * multiplier)
    dir_pos=(dir_pos % len(directions))
    print("New loc: {}".format(dir_pos))
    print("Started in direction {}, changing to direction {}, after getting told to go {}".format(ship_direction, directions[dir_pos], (int(amount) * multiplier)))
    ship_direction=directions[dir_pos]

def turn_right(amount):
    turn(amount, 1)

def turn_left(amount):
    turn(amount, -1)

for line in open("input.txt", "r"):
    line=line.rstrip()
    command=line[0]
    amount=int(line[1:])

    if command in [ "N", "S", "E", "W" ]:
        do_move(command, amount)
    elif command == "R":
        turn_right(amount)
    elif command == "L":
        turn_left(amount)
    elif command == "F":
        do_move(ship_direction, amount)

print("Moved to {}, {} - MD: {}".format(ship_horz,ship_vert,(abs(ship_horz)+abs(ship_vert))))