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Lucky 7

Time limit5sMemory limit1024 MB

Summary

Given an integer, the task is to print 0, 1, 2, or 3 depending on whether the number contains digit 7 and whether it is divisible by 7.

Level: Easy1 of 10
Topics: Math, String, Implementation
Solved: No attempts yet

Problem

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

Given a number, determine how lucky it 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 contains 7 but is not divisible by 7.
Print 3 if the number contains 7 and is divisible by 7.

Input

There is only one input line, containing one integer between 1 and $10^9$ , inclusive.

Output

Print one of the four messages as described above.

Examples5

Example 1
Input
```
25
```
Expected output
```
0
```
Example 2
Input
```
42
```
Expected output
```
1
```
Example 3
Input
```
170
```
Expected output
```
2
```
Example 4
Input
```
777
```
Expected output
```
3
```
Example 5
Input
```
1
```
Expected output
```
0
```

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