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