a,b,c = list(map(int,input().split(" ")))
l=[a,b,c]
counta = l.count(a)
countb = l.count(b)
countc = l.count(c)
count = [counta,countb,countc]
nums = []
for i in range(3):
    if l[i] not in nums:
        nums.append(l[i])
s=""
for r in range(len(nums)):
    s += " "+str(max(nums))
    nums.remove(max(nums))
print(max(count),s,sep="")

#i399. 1. 數字遊戲
num = list(map(int,input().split()))
s = set(num)
t = []
for i in num:
  t.append(num.count(i))
s = list(s)
s.sort(reverse=True)
print(max(t),*s)