#include <ezButton.h>

ezButton button(10);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  button.setDebounceTime(50);
  button.setCountMode(COUNT_FALLING);
  for(int i=4; i<=7;i++){
    pinMode(i, OUTPUT);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  button.loop();
  if(button.isPressed()){
    unsigned long count= button.getCount();
    int out= count%5;
    Serial.println(out);
    if(out==0){
      for(int j=4; j<=7;j++){
        digitalWrite(j, LOW);
      }
    }
    if(out==1){
      for(int k=4; k<=7;k++){
        digitalWrite(k, HIGH);
      }
    }
    if(out==2){
      for(int l=4; l<=7;l++){
        digitalWrite(l, HIGH);
        delay(500);
        digitalWrite(l, LOW);
        delay(500);
      }
    }
    if(out==3){
      for(int m=4; m<=7;m++){
        if(m%2==1){
          digitalWrite(m, HIGH);
        }
      }
    }
    if(out==4){
      for(int n=4; n<=7;n++){
        if(n%2==0){
          digitalWrite(n, HIGH);
        }else{
          digitalWrite(n, LOW);
        }
      }
    }
  }
}