nㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ그래프가 삐딱하게ㅋㅋㅋ
ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ 미쳤엌ㅋㅋㅋㅋㅋ