int a = 4;
int b = 5;
int c = 8;
int d = 7;
int e = 6;
int f = 3;
int g = 2;
int dot = 9;
int x = A0;
int y = A5;
int sw = 13;
bool state = 0;
int ax;
int ay;

void one(){
  digitalWrite(a,LOW);
  digitalWrite(b,HIGH);
  digitalWrite(c,HIGH);
  digitalWrite(d,LOW);
  digitalWrite(e,LOW);
  digitalWrite(f,LOW);
  digitalWrite(g,LOW);
}
void two(){
  digitalWrite(a,HIGH);
  digitalWrite(b,HIGH);
  digitalWrite(c,LOW);
  digitalWrite(d,HIGH);
  digitalWrite(e,HIGH);
  digitalWrite(f,LOW);
  digitalWrite(g,HIGH);
}
void three(){
  digitalWrite(a,HIGH);
  digitalWrite(b,HIGH);
  digitalWrite(c,HIGH);
  digitalWrite(d,HIGH);
  digitalWrite(e,LOW);
  digitalWrite(f,LOW);
  digitalWrite(g,HIGH);
}
void four(){
  digitalWrite(a,LOW);
  digitalWrite(b,HIGH);
  digitalWrite(c,HIGH);
  digitalWrite(d,LOW);
  digitalWrite(e,LOW);
  digitalWrite(f,HIGH);
  digitalWrite(g,HIGH);
}
void five(){
  digitalWrite(a,HIGH);
  digitalWrite(b,LOW);
  digitalWrite(c,HIGH);
  digitalWrite(d,HIGH);
  digitalWrite(e,LOW);
  digitalWrite(f,HIGH);
  digitalWrite(g,HIGH);
}
void six(){
  digitalWrite(a,HIGH);
  digitalWrite(b,LOW);
  digitalWrite(c,HIGH);
  digitalWrite(d,HIGH);
  digitalWrite(e,HIGH);
  digitalWrite(f,HIGH);
  digitalWrite(g,HIGH);
}
void seven(){
  digitalWrite(a,HIGH);
  digitalWrite(b,HIGH);
  digitalWrite(c,HIGH);
  digitalWrite(d,LOW);
  digitalWrite(e,LOW);
  digitalWrite(f,LOW);
  digitalWrite(g,LOW);
}
void eight(){
  digitalWrite(a,HIGH);
  digitalWrite(b,HIGH);
  digitalWrite(c,HIGH);
  digitalWrite(d,HIGH);
  digitalWrite(e,HIGH);
  digitalWrite(f,HIGH);
  digitalWrite(g,HIGH);
}
void nine(){
  digitalWrite(a,HIGH);
  digitalWrite(b,HIGH);
  digitalWrite(c,HIGH);
  digitalWrite(d,LOW);
  digitalWrite(e,LOW);
  digitalWrite(f,HIGH);
  digitalWrite(g,HIGH);
}
void show(){
  int ax = analogRead(x);
  int ay = analogRead(y);
  if(ax>=0 && ax<=341 && ay>=0 && ay<=341){
    one();
  }
  else if(ax>341 && ax<682 && ay>=0 && ay<=341){
    two();
  }
  else if(ax>=682 && ax<=1024 && ay>=0 && ay<=341){
    three();
  }
  else if(ax>=0 && ax<=341 && ay>341 && ay<682){
    four();
  }
  else if(ax>341 && ax<682 && ay>341 && ay<682){
    five();
  }
  else if(ax>=682 && ax<=1024 && ay>341 && ay<682){
    six();
  }
  else if(ax>=0 && ax<=341 && ay>=682 && ay<=1023){
    seven();
  }
  else if(ax>341 && ax<682 && ay>=682 && ay<=1023){
    eight();
  }
  else if(ax>=682 && ax<=1024 && ay>=682 && ay<=1023){
    nine();
  }
}
void show2(int ax, int ay){
  if(ax>=0 && ax<=341 && ay>=0 && ay<=341){
    one();
  }
  else if(ax>341 && ax<682 && ay>=0 && ay<=341){
    two();
  }
  else if(ax>=682 && ax<=1024 && ay>=0 && ay<=341){
    three();
  }
  else if(ax>=0 && ax<=341 && ay>341 && ay<682){
    four();
  }
  else if(ax>341 && ax<682 && ay>341 && ay<682){
    five();
  }
  else if(ax>=682 && ax<=1024 && ay>341 && ay<682){
    six();
  }
  else if(ax>=0 && ax<=341 && ay>=682 && ay<=1023){
    seven();
  }
  else if(ax>341 && ax<682 && ay>=682 && ay<=1023){
    eight();
  }
  else if(ax>=682 && ax<=1024 && ay>=682 && ay<=1023){
    nine();
  }
}
void setup() {
  pinMode(a,OUTPUT);
  pinMode(b,OUTPUT);
  pinMode(c,OUTPUT);
  pinMode(d,OUTPUT);
  pinMode(e,OUTPUT);
  pinMode(f,OUTPUT);
  pinMode(g,OUTPUT);
  pinMode(dot,OUTPUT);
  digitalWrite(a,LOW);
  digitalWrite(b,LOW);
  digitalWrite(c,LOW);
  digitalWrite(d,LOW);
  digitalWrite(e,LOW);
  digitalWrite(f,LOW);
  digitalWrite(g,LOW);
  digitalWrite(dot,LOW);
  pinMode(x,INPUT);
  pinMode(y,INPUT);
  pinMode(sw,INPUT);
  digitalWrite(sw,HIGH);
}

void loop() {
  while(state == 0){
    show();
    delay(10);

    if(digitalRead(sw)==LOW){
      digitalWrite(dot,HIGH);
      state = 1;
      ax = analogRead(x);
      ay = analogRead(y);
    }
  }
  delay(10);
  while(state == 1){
    show2(ax,ay);
    delay(10);
    if(digitalRead(sw)==LOW){
      digitalWrite(dot,LOW);
      state = 0;
    }
  }
  delay(10);
}