Task: Program Execution
Input (English): 4, ['2445', '1771', '4389', '319', 'U', '2395', 'T', '7919', 'E', '9031', '4153', 'F', 'Z', '7045', '9937', 'M', 'L', '9563', 'I', '831', '9373', 'p', 'X', 'C', '4669']
Output (English): 2445, U, E, Z, L, 9373, 4669