Var
c: integer;
begin
readln(c);
writeln(sqr(c mod 10));
end.
Var a, sum, i : integer; s, x : string; sa : real;
begin sum:=0; readln(s); for i:=1 to length(s) do begin x:=copy(s, i, 1); val(x, a); sum:=sum+a; end; sa:=sum/(length(s)); writeln('сумма: ', sum); writeln('среднее арифметическое: ', sa:4:2);end.
{Задание а}
var
i:integer;
begin
for i := 90 downto 65 do
writeln(chr(i), ' ', chr(i), ' ', chr(i), ' ', chr(i));
end.
{Задание б}
var
i, j:integer;
begin
for i := 90 downto 65 do
begin
for j := 90 downto 65 + 90 - i do
write(chr(j), ' ');
writeln;
end;
end.
{Задание в}
var
i, j:integer;
begin
for i := 1 to 9 do
begin
for j := 1 to 9 do
if i = j then
write(i, ' ')
else
write('0 ');
writeln;
end;
end.