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
class itp1_2b:
    def out(self,a,b,c):
        if a<b and b<c:
            print "Yes"
        else :
            print "No"
if __name__=="__main__":
 ipt=map(int,raw_input().split(" "))
 run=itp1_2b()
 run.out(ipt[0],ipt[1],ipt[2])