Task: Program Execution
Input (English): 5, 15, ['6761', 'R', 'F', '7095', 'U', '7391', 'D', 'A', '8681', '9869', 'I', '7703', 'u', '1107', 'a']
Output (English): a, 1107, u, 7703, I, 9869, 8681, A, D, 7391, U