#include<ESP.h>

char text1[8];
char text2[8];
char text3 [8];
int r =random(1000,10000);


void setup() {
  // put your setup code here, to run once:


//char ssid[23];
//snprintf(ssid, 23, "MCUDEVICE-%llX", ESP.getEfuseMac());


//snprintf(ssid, 23, "MCUDEVICE-%04X%08X", chip, (uint32_t)chipid);
//Serial.print(ssid);


  //uint64_t chipid;

  //chipid = ESP.getEfuseMac(); //The chip ID is essentially its MAC address(length: 6 bytes).
 // Serial.printf("ESP32 Chip ID = %04X", (uint16_t)(chipid >> 32)); //print High 2 bytes
  //Serial.printf("%08X\n", (uint32_t)chipid); //print Low 4bytes.




text1[0]='E';
text1[1]='S';
text1[+2]='P';
text1[+3]='-';


String s;
s=ESP.chipid();

Serial.begin(115200);

Serial.println(text1);
//Serial.println(text2);
//Serial.println(text3);

Serial.println("......");
//Serial.print(i);


}





void loop() {



r=random(1000,10000);
//Serial.println(i);
itoa(r,text2,10);
//Serial.println(text2);
int i;

for (i=4;i<=8;i++)
{
  //Serial.print(i);
  //Serial.print(" ");
  text1[i]=text2[i-4];

  //Serial.print(text1[i]);

  //delay (200);
}
Serial.println(text1);

//text1="12345Haus";
//text2="12345Hund";
//strcat(text1,text2);


//Serial.println(text1);

delay(1000);

  // put your main code here, to run repeatedly:



}