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