#include <IRremote.h>

int IRpin= 9;
IRrecv IR (IRpin);

decode_results cmd; // decode results (signals) to so-called cmd

void setup() {
  // put your setup code here, to run once:
  
  Serial.begin (9600);
  IR.enableIRIn (); // .enableIRIn = .begin
}

void loop() {
  // put your main code here, to run repeatedly:

  while (IR.decode (&cmd) == 0){ // while no signals are sent to (&)cmd

  }
  Serial.println (cmd.value, HEX);
  if (cmd.value== 0xFF6897){
    Serial.println ("You pushed zero");
  }
  IR.resume();
}