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 a,b,c,d=0;
scanf("%d %d %d",&a,&b,&c);
if(a<b)
{
if(b<c)
{
printf("Yes\n");
d=1;
}
}
if(d==0)
{
printf("No\n");
}
return 0;
}