// For: https://forum.arduino.cc/t/how-to-use-return-x-in-for-inside-function/1008974/8


void setup()
{
  Serial.begin(115200);
}

void loop()
{
  unsigned int test = random(0, 32760);
  Serial.print( "Testnumber is ");
  Serial.print( test);
  Serial.print( " (");
  for( int i=5; i>=1; i--)
  {
    Serial.print( GimmeThatDigit( test, i));
    if( i>1)
      Serial.print( ", ");
  }
  Serial.print( ")");
  Serial.println();

  delay( 2000);
}

int GimmeThatDigit( unsigned int number, int digit)
{
  unsigned int result;  // the resulting decimal number
  for( int i=0; i<digit; i++)  // digit is the number of the requested digit 1...5
  {
    result = number % 10;
    number /= 10;
  }
  return result;
}