Task: Program Execution
Input (English): 1, 4, ['U', '5779', 'l', 'k', '8675', '3397', 'p', 'H', '4551', '7933', 'P', 'E', '8561', '4275', '8829', 'a', 'J', 'A', 'l', 't', '3655', 'I', '7667', 'Y', '7265', '517', 'F']
Output (English): U, 8675, 4551, 8561, J, 3655, 7265