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