//Get input arrays
var x_values = document.getElementById('x_values').value.split(",").map(Number);
var y_values = document.getElementById('y_values').value.split(",").map(Number);
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String lines = br.readLine();
String[] strs = lines.trim().split("s+");
for (int i = 0; i < strs.length; i++) {
a[i] = Integer.parseInt(strs[i]);
}