Task: Program Execution
Input (English): 11, 18, ['U', '6059', 'K', 's', 's', 'E', 'a', 'S', '3475', 'd', '2991', '1409', '3871', '3985', 'R', 'Y', 'Q', 't', 'h', 'U', 'z', '6513', 'W', 'X', 'f', 'V']
Output (English): tQYR3985387114092991