Task: Program Execution
Input (English): 1, 14, ['1071', 'f', '2799', '1041', 'C', 'D', 'u', 'Z', '1713', '3893', 'n', 'u', 'U', 'g', 'U', 'x', '5459', '8199', 'W']
Output (English): 1071f27991041CDuZ17133893nuUg