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