var a,b,c,p: real;
begin
readln(a,b,c);
c:=sqrt(a*a+b*b);
p:=a+b+c;
writeln('c = ',c,' p = ',p);
end.
var a,b,c,p: real;
begin
readln(a,b,c);
c:=sqrt(a*a+b*b);
p:=a+b+c;
writeln('c = ',c,' p = ',p);
end.