Task: Program Execution
Input (English): 4, ['U', 'O', '2099', 'u', '3139', 'B', 'A', '2667', 'P', 'X', 'c', '5067', 'i', 'M', '6159', '3011', '9703', 'd', '1423', 'Z', '2353', '3579', 'd', '9963', '4173', '3457', '1267']
Output (English): U, 3139, P, i, 9703, 2353, 4173