Task: Program Execution
Input (English): 2, 17, ['4685', '6663', '8313', '3433', 'W', '8515', '8451', 'F', 'Z', '751', '93', 'd', '1535', 'A', 'P', 'P', '1173', '6565', '6007', '8815', '5479', '6923']
Output (English): 3711PPA5351d39157ZF15485158W334331383666