Task: Program Execution
Input (English): 11, 15, ['U', 't', 'c', 'E', 'E', 'P', 'O', 'b', '345', 'g', 'Z', '3423', '413', '8253', '2079', 'D', '7817', '8261', '5011', '9647', 'a', 'O']
Output (English): Z342341382532079