Program n1;
Uses CRT;
Var a,b,c: integer;
begin
ClrScr;
Writeln('Vvedite chisla');
Readln(a,b,c);
If(a<0)and(b<0)and(c<0) then writeln('Summa = ',a+b+c)<br> else
if (a>0) then writeln('polozhitelnoe chislo ',a) else
if (b>0) then writeln('polozhitelnoe chislo ',b) else
if (c>0) then writeln('polozhitelnoe chislo ',c);
readln
end.