int motion1=0;
int motion2=0;
int ldr=0;
void setup() {
  pinMode(7,INPUT);
  pinMode(12,INPUT);
  pinMode(13,INPUT);
  pinMode(2,OUTPUT);
  Serial.begin(9600);
}

void loop() {
 motion1=digitalRead(7);
 motion2=digitalRead(12);
 ldr=digitalRead(13);
 Serial.println(motion1);
 delay(1000);
 Serial.println(motion2);
 delay(1000);
 Serial.println(ldr);
 delay(1000);
 if(motion1==1 && motion2==1 && ldr==1)
 {
  digitalWrite(2,HIGH);
  delay(1000);
 }
 else if(motion1==0 && motion2==1 && ldr==1)
 {
  digitalWrite(2,HIGH);
  delay(1000);
 }
 else if(motion1==1 && motion2==0 && ldr==1)
 {
  digitalWrite(2,HIGH);
  delay(1000);
 }
 else
 {
  digitalWrite(2,LOW);
 }

}