Task: Program Execution
Input (English): 6, ['9499', 'X', 'b', '8725', 'O', '6397', 'Y', 'n', 'c', '3897', '1233', 'u', '4063', '2459', '7689', 'z', '857', 'M', 'u']
Output (English): Y, n, c, 3897, 1233, u, 4063, 2459, 7689, z, 857, M, u