void setup() {
  //start up Serial communication
  Serial.begin(9600);
}

void loop() {
  //iterate through all the analog inputs 
  //and send out over Serial
  for (int i = 0; i < 6; i++) {
    int value = analogRead(i);
    Serial.print(value);
    if (i < 5) {
      //send denominating '-' characters
      //(except after the last value)
      Serial.print('-');
    }
  }
  //end the string of values with a newline
  Serial.println();
}