Task: Program Execution
Input (English): 12, 18, ['I', '4851', 'P', '1289', '5371', 'p', '1219', 'M', '979', '6967', '2395', '6707', '8019', 'V', '8411', '7687', '163', 'i', 'x', 'X', '719', 'v']
Output (English): i36178671148V91087076