2 LEDs and a Push Button Activity

const int LedPinGreen = 8;
const int Button = 10;
const int LedPinRed = 12;
int ReadValue;


void setup()
{
  pinMode (LedPinRed, OUTPUT);
  pinMode (LedPinGreen, OUTPUT);
  pinMode (Button, INPUT);
  Serial.begin(9600);

}

void loop()
{

  ReadValue = digitalRead(Button);
  Serial.print(ReadValue);
  if(ReadValue ==1)
{
  digitalWrite(LedPinGreen, HIGH);
    digitalWrite(LedPinRed, HIGH);
}
digitalWrite(LedPinGreen, LOW);
    digitalWrite(LedPinRed, LOW);

}