const int ledM = 3;
const int ledK = 4;
const int ledH = 5;
const int pbM = 10;
const int pbK = 12;

void setup() {
  pinMode(ledM, OUTPUT);
  pinMode(ledK, OUTPUT);
  pinMode(ledH, OUTPUT);
  pinMode(pbM, INPUT);
  pinMode(pbK, INPUT);
}

void loop() {
  if(digitalRead(pbM) == 1 && digitalRead(pbK) == 0){
    digitalWrite(ledM, HIGH);
  }else{
    digitalWrite(ledM, LOW);
  }
  
  if(digitalRead(pbM) == 0 && digitalRead(pbK) == 1){
    digitalWrite(ledK, HIGH);
  }else{
    digitalWrite(ledK, LOW);
  }
 
  if(digitalRead(pbM) == 1 && digitalRead(pbK) == 1){
    digitalWrite(ledH, HIGH);
  }else{
    digitalWrite(ledH, LOW);
  }
}