#include<bits/stdc++.h>
using namespace std;
int main()
{
char a,b,c;
  cin>>a>>b>>c;
  if(a=='7'||b=='7'||c=='7')
  {
  cout<<"Yes\n";
  }
  else cout<<"No\n";

}
### Prompt

Please create a solution in Cpp 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<bits/stdc++.h>
using namespace std;
int main()
{
char a,b,c;
  cin>>a>>b>>c;
  if(a=='7'||b=='7'||c=='7')
  {
  cout<<"Yes\n";
  }
  else cout<<"No\n";

}
```