Task: Program Execution
Input (English): 10, 18, ['3691', '6491', 's', '5301', 'K', 'l', 'c', '5177', 'T', 'l', '9747', '1587', '1225', 'Q', '9021', 'c', 'l', '9577']
Output (English): 7759lc1209Q522178517479l