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 n1=0,n2=0,n3=0;
scanf("%d %d %d",&n1,&n2,&n3);
if(n1<n2&&n2<n3)
printf("Yes\n");
else
printf("No\n");

return 0;
}