Task: Program Execution
Input (English): 11, ['r', 'w', '2637', '4125', '2945', 'z', 'b', '3629', 'b', 'c', '6381', 'q', 'j', 'T', '8325', 'B', 'X', 'x', 'D', 'i', 'e', '9109', '503', '7635', '9783', '4521', 'r', 'd', 'W', '9665', '4547', 'h', 'B', 'P', 'M']
Output (English): r, q, 503, P