#coding:utf-8

import sys

 

abc=sys.stdin.readline()

a,b,c=abc.split( ' ' )

a=int( a )

b=int( b )

c=int( c )

if a < b and b < c:

	print( "Yes" )

else:

	print( "No" )
import sys



nums = [ int( val ) for val in sys.stdin.readline().split( " " ) ]

if nums[0] < nums[1] and nums[1] < nums[2]:

	print( "Yes" )

else:

	print( "No" )
# coding:utf-8
import sys

abc = sys.stdin.readline()
a, b, c = abc.split(" ")
a = int(a)
b = int(b)
c = int(c)
if a < b and b < c:
    print("Yes")
else:
    print("No")

import sys

nums = [int(val) for val in sys.stdin.readline().split(" ")]
if nums[0] < nums[1] and nums[1] < nums[2]:
    print("Yes")
else:
    print("No")

-# coding:utf-8 -abc = sys.stdin.readline() -a, b, c = abc.split(" ") -a = int(a) -b = int(b) -c = int(c) -if a < b and b < c: +nums = [int(val) for val in sys.stdin.readline().split(" ")] +if nums[0] < nums[1] and nums[1] < nums[2]: