C :

#include<stdio.h>

int main()
{
  printf("%d\n",1234+4321);
  return 0;
}

C++ :

#include<stdio.h>

int main()
{
	int a,b,c;
	a=1234;
	b=4321;
	c=a+b;
	printf("%d\n",c);
	return 0;
}

Python :

# coding=utf-8
print(1234+4321)