View Compilation Error

0_0_38229376_11157.cpp:1:1: error: 'var' does not name a type
 var
 ^
0_0_38229376_11157.cpp:3:1: error: 'begin' does not name a type
 begin
 ^
0_0_38229376_11157.cpp:7:12: error: expected constructor, destructor, or type conversion before '(' token
     writeln(a+b);
            ^
0_0_38229376_11157.cpp:8:5: error: 'end' does not name a type
     end;
     ^
0_0_38229376_11157.cpp:10:1: error: 'end' does not name a type
 end.
 ^