#33975: 最基本的硬解
100337@m2.tdes.tyc.edu.tw
(Huang Joey)
a =list(map(int,input().split()))
a.sort()
if a[0] == a[1] ==a[2]:
print(3,a[0])
elif a[0] == a[1] != a[2]:
print(2,a[2],a[0])
elif a[0] == a[2] != a[1]:
print(2,a[2],a[1])
elif a[1] == a[2] != a[0]:
print(2,a[2],a[0])
else:
print(1,a[2],a[1],a[0])