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;
string ans="No";
cin >> a >> b >> c;
if (a<b&&b<c)ans="Yes";
cout << ans << endl;
}

