int ledR=13;
int ledB=12;
int boutonR=9;
int boutonB=8;

void setup() {
  // put your setup code here, to run once:
pinMode(ledR,OUTPUT);
pinMode(ledB,OUTPUT);
pinMode(boutonR,INPUT);
pinMode(boutonB,INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
int etat_BoutonR=digitalRead(9);
if (digitalRead(9)==1){
  digitalWrite(ledR,HIGH);
  digitalWrite(ledB,LOW);
}
else {
  digitalWrite(ledR,LOW);
  digitalWrite(ledB,LOW);
}
int etat_BoutonB=digitalRead(8);
if (digitalRead(8)){
  digitalWrite(ledR,LOW);
  digitalWrite(ledB,HIGH);
}
else {
  digitalWrite(ledR,LOW);
  digitalWrite(ledB,LOW);
}
}