View Compilation Error

0_0_17760807_17120.cpp:1:1: error: 'Var' does not name a type
 Var a,b:longint;
 ^
0_0_17760807_17120.cpp:2:1: error: 'Begin' does not name a type
 Begin
 ^
0_0_17760807_17120.cpp:4:10: error: expected constructor, destructor, or type conversion before '(' token
   Writeln(a+b);
          ^
0_0_17760807_17120.cpp:5:1: error: 'End' does not name a type
 End.
 ^