β-8, β-5, α-9, δ-0, γ-1, δ-1, γ-4, α-4, β-3, β-9, α-6, β-6, α-0, α-3, β-2, γ-8, γ-9, γ-2, γ-6, α-8, α-2, β-1, α-7, α-1, γ-5, γ-0, γ-3, β-7, δ-2, β-0, γ-7, α-5. Is "α-9" in the previous list? 
Provide no explanation, directly answer with only "Yes." or "No."