program 3_26;
uses crt;
var a,b,c,P:real;
   Begin
clrscr;
writeln('vvedite katet a'); readln(a);
writeln('vvedite katet b'); readln(b);
b:=sqrt(sqr(a)+sqr(b));
P:=a+b+c;
writeln(b:5:0);
writeln(p:5:0);
end.