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