program sqrt
    implicit none
    integer :: i, j, k

    read *, i, j, k
!    print *, dble(i**0.5) 
!    print *, dble(j**0.5)
!    print *, dble(k**0.5)

    if ((dble(i**0.5) + dble(j**0.5)) < dble(k**0.5)) then
        print *, "Yes"
    else if ((dble(i**0.5) + dble(j**0.5)) > dble(k**0.5)) then
        print *, "No"
    else if ((dble(i**0.5) + dble(j**0.5)) == dble(k**0.5)) then

    end if

end program sqrt
