     Serial.flush();
   }
   else{
-    erial("w");
+    writeserial("w");
     openMouth();
     delay(2000);
     waitMouth();

    mfrc522.PCD_StopCrypto1();

//Best workaround ever
   if(buffer[0] > 9){
     input = buffer[0] - 6;
   }
   else{
     input = buffer[0];
   }
   
   checkInput(input, answer);


      answer = firstnumber * secondnumber;
      break;
  }
  Serial.println();
  return answer;
}

