Task: Program Execution
Input (English): 5, 7, ['O', '4377', '7153', 'I', '6853', 'o', 'p', 'F', '257', '1025', 'k', '6009', 'S', '3127', '311', 'e', 'M', '3835', 'a', 'W', 'I', '5473', '4671']
Output (English): p, o, 6853