var a:array [1..10] of integer;
i:integer;
begin
for i:=1 to 10 do begin
readln(a[i]);
if a[i]<0 then a[i]:=abs(a[i]);
writeln(a[i]);
end;
end.
var a:array [1..10] of integer;
i:integer;
begin
for i:=1 to 10 do begin
readln(a[i]);
if a[i]<0 then a[i]:=abs(a[i]);
writeln(a[i]);
end;
end.