//Master code
#include <Wire.h>
#define SECOND_ADDR 9
int pushButton = 34;
int x = 0;
void setup()
{
  Wire.begin();
  pinMode(pushButton, INPUT);
  Serial.begin(9600);
}

void loop()
{
   x = digitalRead(pushButton);
   Serial.println(x);
   Wire.beginTransmission(SECOND_ADDR);
   Wire.write(x);
   Wire.endTransmission();
   delay(500);
}