PROGRAM ATCODER

implicit none
integer :: a,b,c

read(*,*) a,b,c

if(a == b+c .or. b == a+c .or. c == a+b)then
  write(*,'(a)') 'Yes'
else
  write(*,'(a)') 'No'
end if

contains
!!!!!! サブルーチンは↓

!!!!!!

END PROGRAM ATCODER