Task: Program Execution
Input (English): 4, 4, ['2869', '3747', '8809', '1353', '183', 'x', '1625', 'g', '7081', 'u', '7035', 'A', 'v', '2785', '4863', '213', 't', '5379', 'e', 'a', '6531', 'z']
Output (English): 1353