Write a program which reads three integers a, b and c, and prints "Yes" if a < b < c, otherwise "No".

Constraints

* 0 ≤ a, b, c ≤ 100

Input

Three integers a, b and c separated by a single space are given in a line.

Output

Print "Yes" or "No" in a line.

Examples

Input

1 3 8


Output

Yes


Input

3 8 1


Output

No
#include <iostream>

using namespace std;

int main()
{ int a,b,c;
cin>>a>>b>>c;
if ((a<b) && (b<c) && (a<c)) cout<<"Yes"<<endl;
else cout<<"No"<<endl;
return 0;
}

