2.

Program Pr1;
uses crt;
var stroka:string;
i,a,b:integer;
Begin
clrscr;
readln(stroka);
b:=1;
if stroka[b]<>' ' then a:=1
else while stroka[b]=' ' do b:=b+1;
for i:=1 to length(stroka) do begin
if (stroka[i]=' ') and (stroka[i+1]<>' ') then a:=a+1;
if a=3 then begin
writeln(stroka[i+1]);
break;
end;
end;
end.

Ой....тебе в QBasic...извиняй