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

    read *, i, j, k

    i = dble(i)
    j = dble(j)
    k = dble(k)

    if (dble(dble(i**0.50d0) + dble(j**0.50d0)) < dble(k**0.50d0)) then
        print *, "Yes"
    else if (dble(dble(i**0.50d0) + dble(j**0.50d0)) > dble(k**0.50d0)) then
        print *, "No"
    else if (dble(dble(i**0.50d0) + dble(j**0.50d0)) == dble(k**0.50d0)) then

    end if

end program sqrt
