Task: Program Execution
Input (English): 3, 6, ['6175', '8771', 'b', 'N', '1421', 'f', '9779', 'F', '6085', '795', 'p', 'f', 'D', 'X', '8987', '3851', '1161', 'V', '6021', 'D', 'a', '9087', 'S', 'p', 'x', 'B']
Output (English): 1421