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