15, 4, 13, 19, 22, 25, 27, 20, 10, 28, 17, 16, 23, 26, 11, 3, 6, 1, 7, 9, 31, 24, 12, 18, 29, 5, 14, 0, 32, 8, 30, 2. Is "21" in the previous list? 
Provide no explanation, directly answer with only "Yes." or "No."