int count =0;
int newcount;
void setup() {
  pinMode(5, INPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(10, OUTPUT);
}

void loop() {
    if (digitalRead(5)==HIGH)
    {
      newcount=count+1;
         if (newcount!=count)
      {
        switch (newcount)
        {
          case 1:digitalWrite(6, HIGH);
                  break;
          case 2:digitalWrite(7, HIGH);
                  break;
          case 3:digitalWrite(8, HIGH);
                  break;
          case 4:digitalWrite(10, HIGH);
                  break;
          default : digitalWrite(6, LOW);
                    digitalWrite(7, LOW);
                    digitalWrite(8, LOW);
                    digitalWrite(10, LOW);
                    newcount=0;
                    break;
        }
        count=newcount;
      }
    }
    delay(100);
}