int A = 13;
int B = 12;
int C = 11;
int D = 10;
int E = 9;
int F = 8;
int G = 7;
int CONT = 0;
int X, Y = 0;

void setup() {
pinMode(A,OUTPUT);// put your setup code here, to run once:
pinMode(B,OUTPUT);
pinMode(C,OUTPUT);
pinMode(D,OUTPUT);
pinMode(E,OUTPUT);
pinMode(F,OUTPUT);
pinMode(G,OUTPUT);
pinMode(2,INPUT);
Serial.begin(9600);
}

void loop() {
delay(100);

X = digitalRead(2);

Serial.print("X: ");
Serial.println(X);
Serial.print("Y: ");
Serial.println(Y);

if (X != Y){
if((X == 1)&&(Y==0)){
  CONT ++;
}
Y=X;
}

if (CONT == 10){
CONT = 0;
}

Serial.println(CONT);

if(CONT == 0) {
digitalWrite(A,LOW);
digitalWrite(B,LOW);
digitalWrite(C,LOW);
digitalWrite(D,LOW);
digitalWrite(E,LOW);
digitalWrite(F,LOW);
digitalWrite(G,HIGH);
}

if(CONT == 1) {
digitalWrite(A,HIGH);
digitalWrite(B,LOW);
digitalWrite(C,LOW);
digitalWrite(D,HIGH);
digitalWrite(E,HIGH);
digitalWrite(F,HIGH);
digitalWrite(G,HIGH);
}

if(CONT == 2) {
digitalWrite(A,LOW);
digitalWrite(B,LOW);
digitalWrite(C,HIGH);
digitalWrite(D,LOW);
digitalWrite(E,LOW);
digitalWrite(F,HIGH);
digitalWrite(G,LOW);
}

if(CONT == 3) {
digitalWrite(A,LOW);
digitalWrite(B,LOW);
digitalWrite(C,LOW);
digitalWrite(D,LOW);
digitalWrite(E,HIGH);
digitalWrite(F,HIGH);
digitalWrite(G,LOW);
}

if(CONT == 4) {
digitalWrite(A,HIGH);
digitalWrite(B,LOW);
digitalWrite(C,LOW);
digitalWrite(D,HIGH);
digitalWrite(E,HIGH);
digitalWrite(F,LOW);
digitalWrite(G,LOW);
}

if(CONT == 5) {
digitalWrite(A,LOW);
digitalWrite(B,HIGH);
digitalWrite(C,LOW);
digitalWrite(D,LOW);
digitalWrite(E,HIGH);
digitalWrite(F,LOW);
digitalWrite(G,LOW);
}

if(CONT == 6) {
digitalWrite(A,LOW);
digitalWrite(B,HIGH);
digitalWrite(C,LOW);
digitalWrite(D,LOW);
digitalWrite(E,LOW);
digitalWrite(F,LOW);
digitalWrite(G,LOW);
}

if(CONT == 7) {
digitalWrite(A,LOW);
digitalWrite(B,LOW);
digitalWrite(C,LOW);
digitalWrite(D,HIGH);
digitalWrite(E,HIGH);
digitalWrite(F,HIGH);
digitalWrite(G,HIGH);
}

if(CONT == 8) {
digitalWrite(A,LOW);
digitalWrite(B,LOW);
digitalWrite(C,LOW);
digitalWrite(D,LOW);
digitalWrite(E,LOW);
digitalWrite(F,LOW);
digitalWrite(G,LOW);
}

if(CONT == 9) {
digitalWrite(A,LOW);
digitalWrite(B,LOW);
digitalWrite(C,LOW);
digitalWrite(D,HIGH);
digitalWrite(E,HIGH);
digitalWrite(F,LOW);
digitalWrite(G,LOW);
}

}