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