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 <bits/stdc++.h>

using namespace std;

int main() {
    int x, y, z;
    cin >> x >> y >> z;
    if(x < y && y < z)puts("Yes");
    else puts("No");
}
