Task: Program Execution
Input (English): 5, 6, ['j', 'j', '5717', 'w', 'U', 'M', 'o', '617', '8621', 'M', '2793', 'w', '7315', 'd', 's', '2727', '5521', '1699', '1765', '8517', 'K', '687', '5721', '8743']
Output (English): U, M