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