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
import sys
for x in sys.stdin:
    a,b,c = x.split(' ')
    a,b,c = int(a),int(b),int(c)
    if a<b and b<c: c='Yes'
    else: c='No'
    print c