const int led=11;
const int led2=10;
const int led3=9;
int bright=0;
int fade=2;
void setup() {
  // put your setup code here, to run once:
pinMode(led, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
digitalWrite(led,LOW);
digitalWrite(led2,LOW);
digitalWrite(led3,LOW);
}

void loop() {
  // put your main code here, to run repeatedly:
/*digitalWrite(led,HIGH);
delay(100);
digitalWrite(led,LOW);
delay(100);*/

/*analogWrite(led, bright);
bright=bright+fade;
if(bright<=0||bright>=255)
{
  fade=-fade;
}
delay(10);*/

/*digitalWrite(led, HIGH);
delay(100);
digitalWrite(led,LOW);
digitalWrite(led2, HIGH);
delay(100);
digitalWrite(led2,LOW);
digitalWrite(led3, HIGH);
delay(100);
digitalWrite(led3,LOW);
delay(1000);*/

for(int i=0;i<=255;i=i+2)
{
    analogWrite(led,i);
  delay(50);
}
delay(50);
  analogWrite(led,LOW);
for(int i=0;i<=255;i=i+2)
{
    analogWrite(led2,i);
  delay(50);
}
delay(50);
 analogWrite(led2,LOW);
for(int i=0;i<=255;i=i+2)
{
    analogWrite(led3,i);
  delay(50);
}
analogWrite(led3,LOW);
delay(50);
}