Task: Program Execution
Input (English): 10, 13, ['M', 'L', '1849', 'U', 'P', 'f', 'p', 'B', 'g', '6299', 'r', '3477', '6017', '3011', 'n', '3769', '1617', '1655']
Output (English): 60173477r6299