Task: Program Execution
Input (English): 1, 9, ['7939', '8939', 'K', '7379', '123', 'l', '2357', '6489', 'e', 'D', '9219', 'n', 's', '3953', 'X', '1487', '827', '6699', 'Q']
Output (English): e98467532l3219737K93989397