Task: Program Execution
Input (English): 25, 28, ['Z', '5685', 'W', 'n', '2773', '5097', 'U', '5251', '9849', '5515', '1813', 'i', '9209', 'V', '6849', '4365', '6885', '9935', '8999', 'C', '8449', 's', 'P', 'D', '349', 'f', '4671', 's']
Output (English): s4671f349