void setup() { Serial.begin(115200); }

#define PORT PORTD
#define DDR DDRD
#define PIN PIND

#define T1 (1<<2)
#define T2 (1<<4)
#define PU (1<<3)
 
void reset() {
  DDR = T1 | T2 | PU;
  PORT = 0;
  delay(1);
  DDR = PU;
}

void loop() { 
  reset();
  uint8_t t1 = 0, t2 = 0;
  cli();
  PORT = PU;
  while(!(PIN & T1)) t1++;
  sei();
  reset();
  cli();
  PORT = PU;
  while(!(PIN & T2)) t2++;
  sei();
  Serial.print((int)t1); 
  Serial.print(" ");
  Serial.print((int)t2);
  Serial.print("\n");
  delay(100);
}