Task: Program Execution
Input (English): 1, 2, ['i', '3839', '2375', '1571', 'n', '2553', 'n', 'f', 'O', '4269', 'A', 'E', 'C', 'e', 'i', 'd', '4119', '3007', '7489', '7009']
Output (English): 9383i