1069. 微博转发抽奖(20)

inn = input()
li = inn.split(' ')
M = int(li[0])
N = int(li[1])
S = int(li[2])

ans = []
temp = ['',]
if S > M:
    print ("Keep going...")
else:
    for i in range(1, M + 1):
        a = input()
        if a in ans:
            S += 1
        if a not in ans and i == S:
            ans.append(a)
            S += N
            
    for j in ans:
        print (j)