RC Car

I have a problem with this code can anybody help me i only want to run the code once.
Help I am a NEWBIE.

int forward = 7;
int back = 8;
int right = 10;
void setup() {
  pinMode(forward, OUTPUT);
  pinMode(back, OUTPUT);
  pinMode(right, OUTPUT);
  
  digitalWrite(forward, HIGH);
 delay(1000);
 digitalWrite(forward, LOW);
 digitalWrite(back, HIGH);
 delay(1000);
 digitalWrite(back, LOW);
 digitalWrite(right, HIGH);
 digitalWrite(forward, HIGH);
 delay(1000);
}

done now!!!