Var a, b, n:real;
Begin
Write('a=') ;read(a) ;
Writeln ;
Write('b=') ;read(b) ;
N:=sqrt(a+b) ;
Writeln(N)
End.
Var a, b, n:real;
Begin
Write('a=') ;read(a) ;
Writeln ;
Write('b=') ;read(b) ;
N:=sqrt(a+b) ;
Writeln(N)
End.