Task: Program Execution
Input (English): 20, 23, ['3073', '7607', 'Q', '8447', 'z', '2879', '1425', '9919', 's', '1255', 'W', 'N', '3787', 'I', 'o', '3511', '8101', 'H', 'p', '9613', '2979', 'W', 'D', '1', '1305', 'b']
Output (English): 9613, 2979, W, D