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