import random

당첨자수 = 7
후보 = "moses153, cljg918, seller, nand, successtrainer, woo7739, cryptos, boomdi, bilbotbaggins, richann, coffeenut, gyeryak, kanade1025, oounding, redkain, gwin"

lotteryBox = 후보.split(',')
random.shuffle(lotteryBox)

for i in range(0,당첨자수):
  print(lotteryBox[i])