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