var
n: integer;
begin
for n:=1 to 19
do
writeln(sqr(n ));
readln;
end.
var n: integer;
for n:=1 to 19 do
writeln(sqr(n));
var
n: integer;
begin
for n:=1 to 19
do
writeln(sqr(n ));
readln;
end.
var n: integer;
begin
for n:=1 to 19 do
writeln(sqr(n));
readln;
end.