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