void setup() {
  pinMode(1, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
}
void dahmad(int a, int b, int c, int d, int e){
  digitalWrite(1,a);
digitalWrite(2,b);
digitalWrite(3,c);
digitalWrite(4,d);
digitalWrite(5,e);
delay(1000);
}
void loop () {
           dahmad(1,0,0,0,0);
           dahmad(0,1,0,0,0);
           dahmad(0,0,1,0,0);
           dahmad(0,0,0,1,0);
           dahmad(0,0,0,0,1);




}