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