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