var a, b, c: real;begin readln(a);readln(b);readln(c); if (a * b < a * c) and (a * b < b * c) then begin writeln(a, '*', b); if (a * b <= 2) and (a * b >= 0.5) then writeln('YES') else writeln('NO'); end else if (a * c < a * b) and (a * c < b * c) then begin writeln(a, '*', c); if (a * c <= 2) and (a * c >= 0.5) then writeln('YES') else writeln('NO'); end else begin writeln(b, '*', c); if (b * c <= 2) and (b * c >= 0.5) then writeln('YES') else writeln('NO'); end;end.