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