String a,b;
int ans;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  while(!(Serial.available()>0));

  while(Serial.available()>0)
    a = Serial.readStringUntil('\n');

  Serial.println("The Value Of A " + a);

  while(!(Serial.available()>0));

  while(Serial.available())
    b = Serial.readStringUntil('\n');

  Serial.println("The Value Of B " + b);

  ans = a.toInt()+b.toInt();

  Serial.println("The Value Of A + B " + String(ans));

}