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