program Project14;
{$APPTYPE CONSOLE}
var a,b,c,d:real;
begin
writeln('Vvedit katety odnogo priamokutnogo trykutnyka a,b');
readln(a,b);
writeln('Vvedit katety drugogo priamokutnogo trykutnyka c,d');
readln(c,d);
if ((a=c) and (b=d)) or ((a=d) and (b=c))then
writeln('Trykutnyky rivni') else
writeln('Trykutnyky ne rivni');
readln;
end.