bool m = LOW;

void setup() {
  // put your setup code here, to run once:
  randomSeed(analogRead(A0));
  Serial.begin(115200);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(m ==LOW){
    for(int x = 0;x<5;x++){
      int st = random(1,11); // 1,2,3...10 
      Serial.print(st);
      delay(500);
      }
    }
m=HIGH;
}