C :

#include <stdio.h>
int main()
{
  long long int A,B;
  scanf("%ld %ld",&A,&B);
  printf("%ld\n",A+B);
  return 0;
}

C++ :

#include<iostream>
using namespace std;
main()
{
  long int a,b;
  cin>>a>>b;
  cout<<a+b;
}

Pascal :

var a,b:int64;
begin
 read(a,b);
 writeln(a+b);
end.