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