class Direction:
    class N:
        x = 0
        y = 1
        def __str__():
            return "N" 
    class NE:
        x = 1
        y = 1
        def __str__():
            return "NE"
    class E:
        x = 1
        y = 0
        def __str__():
            return "E" 
    class SE:
        x = 1
        y = -1
        def __str__():
            return "SE" 
    class S:
        x = 0
        y = -1
        def __str__():
            return "S" 
    class SW:
        x = -1
        y = -1
        def __str__():
            return "SW" 
    class W:
        x = -1
        y = 0
        def __str__():
            return "W"
    class NW:
        x = -1
        y = 1
        def __str__():
            return "NW"
    class C:
        x = 0
        y = 0
        def __str__():
            return "C"