Task: Program Execution
Input (English): 20, 23, ['9105', '4539', 'n', '4421', '3455', 'G', 'c', 'j', '1041', 'A', '6333', 'O', '1047', 'm', '2811', '1671', 'D', '6523', '6467', 'x', 'f', 'u', '7337', 'g', 'P', 'A', 'T', 'G', '8847', '4115']
Output (English): 7337ufx