View Compilation Error

0_0_14841865_16840.cpp:1:1: error: 'program' does not name a type
 program hdu1000
 ^
0_0_14841865_16840.cpp:8:5: error: 'c' does not name a type
     c:=a+b;
     ^
0_0_14841865_16840.cpp:9:12: error: expected constructor, destructor, or type conversion before '(' token
     writeln(c);
            ^
0_0_14841865_16840.cpp:10:5: error: 'end' does not name a type
     end;
     ^
0_0_14841865_16840.cpp:11:1: error: 'end' does not name a type
 end.
 ^