C++ :

#include<bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
	cin>>a>>b;
	cout<<a+b;
	
	return 0;
} 

Pascal :

program ex1;
var
 a,b,c:longint;
begin
  readln(a,b);
  c:=a+b;
  writeln(c);
end.