Task: Program Execution
Input (English): 6, ['7643', 'O', 'i', '9203', 'y', 'X', '2035', '7983', 't', '9533', 'Z', 'F', '531', '8943', 'g', '1937', '3503', 'm', '6511', '1611', 'x', '635', '3215', 'J']
Output (English): 7643, 2035, 531, 6511