program ABC047A
    implicit none
    integer(8)::i,flg
    integer(8),dimension(3)::A

    read(5,*)(A(i),i=1,3)
    flg=maxval(A)

    do i=1,3
        if(A(i)/=maxval(A))then
            flg=flg-A(i)
        end if
    end do

    if(flg==0)then
        print'(A)',"Yes"
    else
        print'(A)',"No"
    end if
    
end program ABC047A