class NOTcircuit
    attr_reader :x

    def initialize(x: 0)
        @x = x
    end

    def cause
        begin
            @x = Integer(gets.chomp)
        rescue
            
        end
    end

    def not_circuit(value)
        (value == 0)? 1 : 0
    end

    def result
        puts not_circuit(@x)
    end

    def run
        cause
        result
    end
end

if $0 == __FILE__
    NOTcircuit.new.run
end