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 main(){
  int x, h, m, s;

  scanf("%d %d %d", &x,&h,&m);

if(x<h && h<m){ 
  printf("Yes\n");
} else { 
  printf("No\n");
} 
 
  return 0;
}
