#!/usr/bin/python3

class V:
    def __init__(self, x, y):
        self.x = x
        self.y = y
    def __mul__(self, n):
        return V(self.x * n, self.y * n)
    def __add__(self, other):
        return V(self.x + other.x, self.y + other.y)
    def rotate(self, deg):
        deg = deg % 360
        if deg == 0:
            return self
        elif deg == 90:
            return V(-self.y, self.x)
        elif deg == 180:
            return V(-self.x, -self.y)
        elif deg == 270:
            return V(self.y, -self.x)
        else:
            raise RuntimeError(deg)
    def __abs__(self):
        return abs(self.x) + abs(self.y)
    def __repr__(self):
        return f"V({self.x}, {self.y})"

def dir2v(dir):
    if dir == 0:
        return (1, 0)
    elif dir == 90:
        return (0, 1)
    elif dir == 180:
        return (-1, 0)
    elif dir == 270:
        return (0, -1)
    else:
        raise RuntimeError(dir)

pos = V(0, 0)
v = V(10, 1)

with open("input") as fh:
    for ln in fh:
        op = ln[0]
        arg = int(ln[1:])
        if op == "F":
            pos += v * arg
        elif op == "L":
            v = v.rotate(arg)
        elif op == "R":
            v = v.rotate(-arg)
        elif op == "E":
            v += V(arg, 0)
        elif op == "W":
            v += V(-arg, 0)
        elif op == "N":
            v += V(0, arg)
        elif op == "S":
            v += V(0, -arg)
        else:
            raise RuntimeError(op)
        print(op, arg, pos, v)

print(abs(pos))