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