Task: Program Execution
Input (English): 1, 8, ['3131', 'F', 'b', 't', 'H', '8109', '1465', 'i', '8625', '6843', 'w', '5617', 'E', 'z', '8051', '1765', 'p', '9523', 'n']
Output (English): 3131, 8625, p