Uses crt;
Var tong,n:real;
Begin
clrscr;
tong:=0;
While tong<=200 do
Begin
readln(n);
tong:=tong+n;
End;
Writeln('Tong: ',tong:0:4);
readln;
End.
*Cách khác:
uses crt;
var x,t:real;
begin
clrscr;
t:=0;
repeat
write('Nhap x='); readln(x);
t:=t+x;
until t>200;
writeln(t);
readln;
end.