Second Counter using Arduino Uno R3 and LM016L LCD

Arduino Program
#include <LiquidCrystal.h>
/* LiquidCrystal(RS, EN, D4, D5, D6, D7)*/
LiquidCrystal lcd(12, 13, 8, 9, 10, 11);
int a=0;
void setup()
{
/*following function sets up the LCD columns and rows:*/
lcd.begin(16, 2);
}
void loop()
{
lcd.setCursor(0,0); // set the cursor position
lcd.print("Seconds Counter"); //print the string on cursor position
while(1)
{
lcd.setCursor(1,1);
a++;
delay(1300);
lcd.print(a);
}
}

Proteus Simulation
