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