int LED1= 2;
int LED2= 3;
int LED3= 4;
int LED4= 5;
int LED5 =6;
int LED6 =7;
int LED7= 8;
int LED8= 9;
int LED9 =10;
int LED10 =11;
void setup() {
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(LED3, OUTPUT);
pinMode(LED4, OUTPUT);
pinMode(LED5, OUTPUT);
pinMode(LED6, OUTPUT);
pinMode(LED7, OUTPUT);
pinMode(LED8, OUTPUT);
pinMode(LED9, OUTPUT);
pinMode(LED10, OUTPUT);
}
void loop() 
{
 digitalWrite(LED1,LOW);
  digitalWrite(LED2,LOW);
  digitalWrite(LED3,LOW);
  digitalWrite(LED4,LOW);
  digitalWrite(LED5,LOW);
  digitalWrite(LED6,LOW);
  digitalWrite(LED7,LOW);
  digitalWrite(LED8,LOW);
  digitalWrite(LED9,LOW);
  digitalWrite(LED10,LOW);
  delay(200);
  digitalWrite(LED1,HIGH);
  digitalWrite(LED2,LOW);
  digitalWrite(LED3,LOW);
  digitalWrite(LED4,LOW);
  digitalWrite(LED5,LOW);
  digitalWrite(LED6,LOW);
  digitalWrite(LED7,LOW);
  digitalWrite(LED8,LOW);
  digitalWrite(LED9,LOW);
  digitalWrite(LED10,HIGH);
  delay(200);
 digitalWrite(LED1,HIGH);
  digitalWrite(LED2,HIGH);
  digitalWrite(LED3,LOW);
  digitalWrite(LED4,LOW);
  digitalWrite(LED5,LOW);
  digitalWrite(LED6,LOW);
  digitalWrite(LED7,LOW);
  digitalWrite(LED8,LOW);
  digitalWrite(LED9,HIGH);
  digitalWrite(LED10,HIGH);
  delay(200);
   digitalWrite(LED1,HIGH);
  digitalWrite(LED2,HIGH);
  digitalWrite(LED3,HIGH);
  digitalWrite(LED4,LOW);
  digitalWrite(LED5,LOW);
  digitalWrite(LED6,LOW);
  digitalWrite(LED7,LOW);
  digitalWrite(LED8,HIGH);
  digitalWrite(LED9,HIGH);
  digitalWrite(LED10,HIGH);
  delay(200);
  digitalWrite(LED1,HIGH);
  digitalWrite(LED2,HIGH);
  digitalWrite(LED3,HIGH);
  digitalWrite(LED4,HIGH);
  digitalWrite(LED5,LOW);
  digitalWrite(LED6,LOW);
  digitalWrite(LED7,HIGH);
  digitalWrite(LED8,HIGH);
  digitalWrite(LED9,HIGH);
  digitalWrite(LED10,HIGH);
  delay(200);
  digitalWrite(LED1,HIGH);
  digitalWrite(LED2,HIGH);
  digitalWrite(LED3,HIGH);
  digitalWrite(LED4,HIGH);
  digitalWrite(LED5,HIGH);
  digitalWrite(LED6,HIGH);
  digitalWrite(LED7,HIGH);
  digitalWrite(LED8,HIGH);
  digitalWrite(LED9,HIGH);
  digitalWrite(LED10,HIGH);
  delay(200);
  digitalWrite(LED1,LOW);
  digitalWrite(LED2,HIGH);
  digitalWrite(LED3,HIGH);
  digitalWrite(LED4,HIGH);
  digitalWrite(LED5,HIGH);
  digitalWrite(LED6,HIGH);
  digitalWrite(LED7,HIGH);
  digitalWrite(LED8,HIGH);
  digitalWrite(LED9,HIGH);
  digitalWrite(LED10,LOW);
  delay(200);
   digitalWrite(LED1,LOW);
  digitalWrite(LED2,LOW);
  digitalWrite(LED3,HIGH);
  digitalWrite(LED4,HIGH);
  digitalWrite(LED5,HIGH);
  digitalWrite(LED6,HIGH);
  digitalWrite(LED7,HIGH);
  digitalWrite(LED8,HIGH);
  digitalWrite(LED9,LOW);
  digitalWrite(LED10,LOW);
  delay(200);
  digitalWrite(LED1,LOW);
  digitalWrite(LED2,LOW);
  digitalWrite(LED3,LOW);
  digitalWrite(LED4,HIGH);
  digitalWrite(LED5,HIGH);
  digitalWrite(LED6,HIGH);
  digitalWrite(LED7,HIGH);
  digitalWrite(LED8,LOW);
  digitalWrite(LED9,LOW);
  digitalWrite(LED10,LOW);
  delay(200);
   digitalWrite(LED1,LOW);
  digitalWrite(LED2,LOW);
  digitalWrite(LED3,LOW);
  digitalWrite(LED4,LOW);
  digitalWrite(LED5,HIGH);
  digitalWrite(LED6,HIGH);
  digitalWrite(LED7,LOW);
  digitalWrite(LED8,LOW);
  digitalWrite(LED9,LOW);
  digitalWrite(LED10,LOW);
  delay(200);
  digitalWrite(LED1,LOW);
  digitalWrite(LED2,LOW);
  digitalWrite(LED3,LOW);
  digitalWrite(LED4,HIGH);
  digitalWrite(LED5,LOW);
  digitalWrite(LED6,LOW);
  digitalWrite(LED7,LOW);
  digitalWrite(LED8,HIGH);
  digitalWrite(LED9,LOW);
  digitalWrite(LED10,LOW);
  delay(200);
    digitalWrite(LED1,LOW);
  digitalWrite(LED2,LOW);
  digitalWrite(LED3,HIGH);
  digitalWrite(LED4,LOW);
  digitalWrite(LED5,LOW);
  digitalWrite(LED6,LOW);
  digitalWrite(LED7,LOW);
  digitalWrite(LED8,HIGH);
  digitalWrite(LED9,LOW);
  digitalWrite(LED10,LOW);
  delay(200);
    digitalWrite(LED1,LOW);
  digitalWrite(LED2,HIGH);
  digitalWrite(LED3,LOW);
  digitalWrite(LED4,LOW);
  digitalWrite(LED5,LOW);
  digitalWrite(LED6,LOW);
  digitalWrite(LED7,LOW);
  digitalWrite(LED8,LOW);
  digitalWrite(LED9,HIGH);
  digitalWrite(LED10,LOW);
  delay(200);
   
    digitalWrite(LED1,HIGH);
  digitalWrite(LED2,LOW);
  digitalWrite(LED3,LOW);
  digitalWrite(LED4,LOW);
  digitalWrite(LED5,LOW);
  digitalWrite(LED6,LOW);
  digitalWrite(LED7,LOW);
  digitalWrite(LED8,LOW);
  digitalWrite(LED9,LOW);
  digitalWrite(LED10,HIGH);
  delay(200);
}