Task: Program Execution
Input (English): 1, 4, ['k', '6211', '1925', 'l', 'b', '1477', 'X', 'n', '3745', 'E', '8953', 'e', 'y', '2037', '9337', '5273', 'O', '1375', '4231', '5321']
Output (English): k, b, 3745, y, O