#include<stdio.h>
void main()
INPUT led = 13;
INPUT led2 = 12;

void setup() 
{
pinMode(led, OUTPUT);
pinMode(led2, OUTPUT);
}

void loop()
 {
digitalWrite(led, HIGH); 
delay(3000); 
digitalWrite(led, LOW); 
delay(5000);
digitalWrite(led2, HIGH);
delay(5000);
digitalWrite(led2, LOW);
delay(7000);
}
end