var
st,st2:string;
f:text;
begin
while true do
begin
readln(st);
while (st = '') do readln(st);
assign(f,st);
reset(f);
while (not eof(f)) do
begin
readln(f,st2);
writeln(st2);
end;
close(f);
end;
end.
assign(input,'a.txt');
reset(input);
{最后}close(input);
assign(input,'bcdtxt');
reset(input);
{最后}close(input);
assign(input,'pascal.txt');
reset(input);
{最后}close(input);
assign(input,'a.txt');
reset(input);
程序体1
close(input);
assign(input,'bcdtxt');
reset(input);
程序体2
close(input);
assign(input,'pascal.txt');
reset(input);
程序体3
close(input);
assign(AA,'a.txt');