#include<iostream>
using namespace std;
int main(void)
{
	int n;
	cin>>n;
	if(n%10==7 || (n/10)%10==7 || n/100==7)
	cout<<"Yes\n";
	else
	cout<<"No\n";
} 

### Prompt

Generate a cpp solution to 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<iostream>
using namespace std;
int main(void)
{
	int n;
	cin>>n;
	if(n%10==7 || (n/10)%10==7 || n/100==7)
	cout<<"Yes\n";
	else
	cout<<"No\n";
} 

```