View Compilation Error

0_0_17808950_11783.cpp:1:1: error: 'var' does not name a type
 var 
 ^
0_0_17808950_11783.cpp:3:1: error: 'begin' does not name a type
 begin
 ^
0_0_17808950_11783.cpp:7:10: error: expected constructor, destructor, or type conversion before '(' token
   writeln(a + b);
          ^
0_0_17808950_11783.cpp:8:2: error: 'end' does not name a type
  end;
  ^
0_0_17808950_11783.cpp:9:1: error: 'end' does not name a type
 end.
 ^