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