#include<bits/stdc++.h>
using namespace std;
int n;
int main() {
	cin>>n;
	while(n) {
		if(n%10==7) {
			cout<<"Yes";
			return 0;
		}
		n/=10;
	}
	cout<<"No";
	return 0;
}
### Prompt

Create a solution in cpp for the following problem:

Given is a three-digit integer N. Does N contain the digit 7?

If so, print `Yes`; otherwise, print `No`.

Constraints

* 100 \leq N \leq 999

Input

Input is given from Standard Input in the following format:


N


Output

If N contains the digit 7, print `Yes`; otherwise, print `No`.

Examples

Input

117


Output

Yes


Input

123


Output

No


Input

777


Output

Yes

### Response

```cpp
#include<bits/stdc++.h>
using namespace std;
int n;
int main() {
	cin>>n;
	while(n) {
		if(n%10==7) {
			cout<<"Yes";
			return 0;
		}
		n/=10;
	}
	cout<<"No";
	return 0;
}
```