Task: Program Execution
Input (English): 8, ['5415', 'y', 'x', '1253', 'D', '6257', 'W', 'N', 'j', '8915', 'K', '7407', 'y', 'z', '2275', 'f', 'Q', 'x', '5347', '2873', '6789', 'F', 'G', 'Y', 'k', 'S', '7707', 'S']
Output (English): 5415, j, Q, k