Task: Program Execution
Input (English): 1, 20, ['2165', 'e', '9873', 'J', '941', 'y', 'j', '1473', 'g', '8637', '5857', 'z', 'K', '8131', '4817', 'l', '6989', '995', 'e', '2957', '9809', 'a']
Output (English): 2165e9873J941yj1473g86375857zK81314817l6989995e2957