Lucky 7

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문제 설명

예제6

문제

Fact or Fiction, some people consider 7 to be a lucky digit/number.

Given a number, determine how lucky the number is by printing one of four values:

Print 0 if the number does not contain 7 and is not divisible by 7.
Print 1 if the number does not contain 7 but is divisible by 7.
Print 2 if the number does contain 7 but is not divisible by 7.
Print 3 if the number does contain 7 and is divisible by 7.

입력

There is only one input line; it contains an integer between 1 and 109, inclusive.

출력

Print one of the four messages as described above.