Task: Program Execution
Input (English): 11, 18, ['l', '981', '9927', 't', '6901', '9001', 'l', '5071', '6429', 'z', 'f', '5129', '741', 'A', 'r', '157', 'H', 'M', '2029', 'x', '8621', '1847']
Output (English): MH157rA7415129f