题解 | #坐标移动#

line = STDIN.gets.delete("\n")
ms = line.split(";")
x , y = 0, 0
ms.each{|m|
if m[/[A|S|W|D]-?\d+/] == m
depth = m[/\d+/].to_i
depth = -depth if m.include?("-")
if m.include?("A")
x -= depth
elsif m.include?("S")
y -= depth
elsif m.include?("W")
y += depth
elsif m.include?("D")
x += depth
end
end
}

puts "#{x},#{y}"