Task: Program Execution
Input (English): 5, ['6509', 'x', 'I', 'u', '5349', 'y', 'V', 'T', '2917', '8613', '2797', 'C', '4861', 'd', 'E', '1163', 'x', '9103']
Output (English): 6509, x, I, u, 5349