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