int pb_pin = 2; // pushbutton
int x_pin = A3; // horizontal line
int y_pin = A1; // vertical line

int x_val, y_val, pb_val;

void setup() {
  pinMode(pb_pin, INPUT);
  Serial.begin(9600);
}

void loop() {
  pb_val = digitalRead(pb_pin);
  x_val = analogRead(x_pin);
  y_val = analogRead(y_pin);

  Serial.print(pb_val);
  Serial.print(" - ");
  Serial.print(x_val);
  Serial.print(" - ");
  Serial.println(y_val);
}