Task: Program Execution
Input (English): 1, 21, ['S', 'Z', 'a', 'l', '5611', '7933', 'e', 'k', '7511', '3061', '9247', 'S', 'C', 'L', '3777', 'K', '1081', '7557', '1725', '3103', '8025', '1821', '8847', 'R', '9443']
Output (English): 52083013527175571801K7773LCS742916031157ke33971165laZS