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 <stdio.h>

int n, m, p;

int main() {
  scanf("%d%d%d", &n, &m, &p);
  if ( n < m && m < p ) printf("Yes\n");
  else printf("No\n");
  return 0;
}