Task: Program Execution
Input (English): 1, 15, ['o', 'n', '2129', 'c', '8377', 'T', '5099', '2323', 'a', 'f', 'W', '6123', 'X', '9197', '3509', '4055', 'd']
Output (English): on2129c8377T50992323afW6123X91973509