Arduino Dual LED Blink Code

[sourcecode language="java"]
int lg = 13; int lr = 12; int d = 300;
void setup(){pinMode(lg,OUTPUT);pinMode(lr,OUTPUT);}
void gron(){digitalWrite(lg,HIGH);}
void grof(){digitalWrite(lg,LOW); }
void rdon(){digitalWrite(lr,HIGH);}
void rdof(){digitalWrite(lr,LOW); }

void loop(){
gron();rdon();delay(d);grof();rdof();delay(d);
}
[/sourcecode]