program p1001(Input,Output); 
var 
  a,b:Integer; 
begin 
   while not eof(Input) do 
     begin 
       Readln(a,b); 
       Writeln(a+b); 
     end; 
/**************************************************************
	Problem: 1000
	User: yangjunwen
	Language: Python
	Result: Wrong Answer
****************************************************************/