Task: Program Execution
Input (English): 16, 21, ['9471', '4771', 'z', 'O', '1873', '3059', '1253', 'w', 'Y', 'W', 'd', 'a', 'Y', 'P', 'a', '4741', 'V', 'M', 'p', 'G', 'o', 'S']
Output (English): o, G, p, M, V, 4741