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