PROGRAM ATCODER

implicit none
integer :: a,b,c
character(len=10**5) :: s


read(*,*) a,b,c

if ( a==b .and. b == c .and. c==a ) then
  print'(a)', 'Yes' 
else
  print'(a)', 'No' 
end if

contains
!!!!!! サブルーチンは↓
!!!!!!

END PROGRAM ATCODER
