int boton=6;
int foco=2;

int boton1=10;
int foco2=7;

int boton3=4;
int foco3=1;

int boton4=8;
int foco4=13;

void setup() {
  pinMode(foco, OUTPUT);
  pinMode(boton,INPUT);
  pinMode (foco2, OUTPUT);
  pinMode(boton1, INPUT);
  pinMode(boton3, INPUT);
  pinMode(foco3, OUTPUT);
  pinMode(foco4, OUTPUT);
  pinMode(boton4, INPUT);
}

void loop() {
 if(digitalRead(boton)==HIGH){
  digitalWrite(foco,HIGH);
  }else{
     digitalWrite(foco,LOW);
    }
  
  if(digitalRead(boton1)==HIGH){
   digitalWrite(foco2, HIGH);
   }else{
    digitalWrite(foco2, LOW);
   }
   
if(digitalRead(boton3)==HIGH){
digitalWrite(foco3, HIGH);
}else{
  digitalWrite(foco3, LOW);
}

if(digitalRead(boton4)==HIGH){
  digitalWrite(foco4, HIGH);
}else{
  digitalWrite(foco4,LOW);
}

}