const int tast = 2;

const int ledR = 10;
const int ledG = 12;

volatile byte stateRed = LOW;

volatile byte stateGreen = LOW;


void setup() {
  attachInterrupt(digitalPinToInterrupt(2), ISR_RIS, RISING);
  attachInterrupt(digitalPinToInterrupt(3), ISR_FAL, FALLING);

  digitalWrite(ledR,stateRed);
  digitalWrite(ledG,stateGreen);
  pinMode(2,INPUT_PULLUP); 
  pinMode(3,INPUT_PULLUP); 
  pinMode(ledR,OUTPUT);
  pinMode(ledG,OUTPUT);
  }  
void loop() {
  
  
}
void ISR_RIS() {
  
  digitalWrite(ledG,stateGreen);
  stateGreen = !stateGreen;
}
void ISR_FAL() {
  
  digitalWrite(ledR,stateRed);
  stateRed= !stateRed;
}