program sqrt
    implicit none
    integer :: i, j, k
    real(kind=16) :: a, b, c
    read *, i, j, k

    a = real(i**0.50q0,kind=16)
    b = real(j**0.50q0,kind=16)
    c = real(k**0.50q0,kind=16)

    if (a+b < c) then
        print *, "Yes"
    else if (a+b >= c) then
        print *, "No"
    end if

end program sqrt
