#include<bits/stdc++.h>
using namespace std;
int i,j,n,a;
int main()
{
  for(cin>>n;i<3;n/=10,i++)if(n%10==7)return cout<<"Yes"<<endl,0;
  cout<<"No"<<endl;  
}
### Prompt

Your task is to create 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<bits/stdc++.h>
using namespace std;
int i,j,n,a;
int main()
{
  for(cin>>n;i<3;n/=10,i++)if(n%10==7)return cout<<"Yes"<<endl,0;
  cout<<"No"<<endl;  
}
```