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