View Compilation Error

0_0_17099860_6128.cpp:1:1: error: 'var' does not name a type
 var
 ^
0_0_17099860_6128.cpp:3:2: error: found ':' in nested-name-specifier, expected '::'
 s:string;
  ^
0_0_17099860_6128.cpp:3:1: error: 's' does not name a type
 s:string;
 ^
0_0_17099860_6128.cpp:4:1: error: 'begin' does not name a type
 begin
 ^
0_0_17099860_6128.cpp:8:1: error: 'a' does not name a type
 a:=s[1];
 ^
0_0_17099860_6128.cpp:9:1: error: 'b' does not name a type
 b:=s[2];
 ^
0_0_17099860_6128.cpp:10:1: error: 'c' does not name a type
 c:=s[3];
 ^
0_0_17099860_6128.cpp:11:1: error: expected unqualified-id before 'if'
 if a<b then if b<c then writeln(a,' ',b,' ',c)
 ^
0_0_17099860_6128.cpp:17:1: error: 'end' does not name a type
 end;
 ^
0_0_17099860_6128.cpp:18:1: error: 'end' does not name a type
 end.
 ^