Task: Program Execution
Input (English): 5, ['s', '1961', '3537', '8721', 'D', '5177', 'B', 'v', 'x', '6205', 's', '6413', '1393', 'z', 'n', 'D', 'L', '7237']
Output (English): s, 1961, 3537, 8721, D