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