View Compilation Error

0_0_15511275_30049.cpp:1:1: error: 'PROGRAM' does not name a type
 PROGRAM add(input,output);
 ^
0_0_15511275_30049.cpp:2:2: error: 'VAR' does not name a type
  VAR
  ^
0_0_15511275_30049.cpp:4:2: error: 'BEGIN' does not name a type
  BEGIN
  ^
0_0_15511275_30049.cpp:8:13: error: expected constructor, destructor, or type conversion before '(' token
       readln(B);
             ^
0_0_15511275_30049.cpp:9:14: error: expected constructor, destructor, or type conversion before '(' token
       writeln(A+B);
              ^
0_0_15511275_30049.cpp:10:5: error: 'end' does not name a type
     end;
     ^
0_0_15511275_30049.cpp:11:2: error: 'END' does not name a type
  END.
  ^