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