char mask[] = "%s %d %d %d %d";
  char check[] = "a! 0 11 44 255";

  char c1[20];
  int m1, m2, m3, m4;


void setup() {
  Serial.begin(115200);
  sscanf(check, mask, c1, &m1, &m2, &m3, &m4);
  Serial.println(c1);
  Serial.println(m1);
  Serial.println(m2);
  Serial.println(m3);
  Serial.println(m4);
 }

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}