Task: Program Execution
Input (English): 1, 5, ['N', 'x', '1975', '241', '4035', '5035', 'N', 'j', '189', 'X', '2167', 'q', '2637', '4721', '2965', '2635', 'r', 'b', '7795', '6907', 'u', 'D', '263']
Output (English): 40352411975xN