Task: Program Execution
Input (English): 1, 3, ['S', '473', '1609', '8135', '1913', '5451', 'G', 'T', 'b', 'I', '8401', '4537', '5889', '5335', '3445', 'F', '7885', 'C', '9019']
Output (English): S, 8135, G, I, 5889, F, 9019