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