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(void)
{
int a,b,c;

scanf("%d %d %d",&a,&b,&c);

if(a<b&&a<c){
printf("Yes\n");
}
else{
printf("No\n");
}
}
