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