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