Task: Program Execution
Input (English): 8, ['6153', '235', '7975', '2227', '4283', 'D', 'i', 'U', '9941', 'N', 'V', '8397', '5659', '8995', 'j', '6447', '8749', '4859', '4805', 'y', 'l', '2943', '6573', 'f', 'J', 'U', 'B']
Output (English): 6153, 9941, 8749, J