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