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