Task: Program Execution
Input (English): 5, 15, ['1681', 'A', '723', '9455', 'A', 'C', 'T', 'u', 'P', '9971', 'n', 'z', 'E', 'R', '807', 'r', 'G', 'c', '8997', 'O', 'A', 'o', 'U']
Output (English): 807, R, E, z, n, 9971, P, u, T, C, A