void setup() {
  pinMode (7, INPUT);
  pinMode (5, INPUT);
}

void loop() {
  digitalRead(7);
  digitalRead(6);
  if (digitalRead(7) == HIGH) {
    digitalWrite(5, HIGH);   // turn the LED on (HIGH is the voltage level)
    delay(10);                       // wait for a second
    digitalWrite(5, LOW);    // turn the LED off by making the voltage LOW
    delay(10);
  };
  if (digitalRead(6) == HIGH) {
    digitalWrite(4, HIGH);   // turn the LED on (HIGH is the voltage level)
    delay(10);                       // wait for a second
    digitalWrite(4, LOW);    // turn the LED off by making the voltage LOW
    delay(10);
  };
}