题解 | #牛牛的二三七整除#
牛牛的二三七整除
http://www.nowcoder.com/practice/b2cf0b791245436f8f0591ae9f4c664f
a=int(input())
if a%2==0 and a%3!=0 and a%7!=0:
print("2")
elif a%2!=0 and a%3==0 and a%7!=0:
print("3")
elif a%2!=0 and a%3!=0 and a%7==0:
print("7")
elif a%2==0 and a%3==0 and a%7!=0:
print("{} {}".format(2,3))
elif a%2==0 and a%3!=0 and a%7==0:
print("{} {}".format(2,7))
elif a%2!=0 and a%3==0 and a%7==0:
print("{} {}".format(3,7))
elif a%2==0 and a%3==0 and a%7==0:
print("{} {} {}".format(2,3,7))
else:
print("n")
if a%2==0 and a%3!=0 and a%7!=0:
print("2")
elif a%2!=0 and a%3==0 and a%7!=0:
print("3")
elif a%2!=0 and a%3!=0 and a%7==0:
print("7")
elif a%2==0 and a%3==0 and a%7!=0:
print("{} {}".format(2,3))
elif a%2==0 and a%3!=0 and a%7==0:
print("{} {}".format(2,7))
elif a%2!=0 and a%3==0 and a%7==0:
print("{} {}".format(3,7))
elif a%2==0 and a%3==0 and a%7==0:
print("{} {} {}".format(2,3,7))
else:
print("n")
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