const int buttonPin = 2; 
const int buttonPin2 = 3; 
const int ledPin = 13; 
int buttonState = 0; 
int buttonState2 = 0; 

void setup() {
  pinMode(ledPin, OUTPUT); 
 pinMode(buttonPin, INPUT); 
} 

void loop() {
   buttonState = digitalRead(buttonPin); 
   buttonState2 = digitalRead(buttonPin2); 
 if (buttonState == HIGH) { 
 
 digitalWrite(ledPin, HIGH); 
} 
 if (buttonState2 == HIGH) { 
 
 digitalWrite(ledPin, HIGH); 
} 
if (buttonState == LOW) { 
 digitalWrite(ledPin,LOW); 
 } 
}