var
a: array [1 .. 3] of longint;
i, j, b: longint;
begin
for i := 1 to 3 do
readln(a[i]);
for i := 1 to 2 do
for j := 1 to 3 - i do
if a[j] > a[j + 1] then
begin
b := a[j + 1];
a[j + 1] := a[j];
a[j] := b;
end;
if (a[1] = a[2]) then
writeln('A=B');
if (a[2] = a[3]) then
writeln('B=C')
else
for i := 3 downto 1 do
write(sqr(a[i]), ' ');
end.