Task: Program Execution
Input (English): 1, 18, ['8259', 'q', '5791', 'k', '4581', '3813', '3621', '5221', '9075', '2033', 'E', '9319', 'B', '5917', 'x', 'U', 'c', '3815', '1569', 'I', 'N', '5563', 'x', '7773', 'Q']
Output (English): 8259q5791k458138133621522190752033E9319B5917xUc3815