#今日はもう疲れ切ってしまって思考力が残ってない、一番簡単な問題が転がってたので
#取り合えずそれを無思考で解く
while true do
as=[]
n=gets.to_i
break if n==0
n.times{
as<<gets.split.map{|e| e.to_i}.sum
}
puts [as.max,as.min].join(" ")
end
I+S7iuaXpeOBr+OCguOBhueWsuOCjOWIh+OBo+OBpuOBl+OBvuOBo+OBpuaAneiAg+WKm+OBjOaui+OBo+OBpuOBquOBhOOAgeS4gOeVquewoeWNmOOBquWVj+mhjOOBjOi7ouOBjOOBo+OBpuOBn+OBruOBpwoj5Y+W44KK5ZCI44GI44Ga44Gd44KM44KS54Sh5oCd6ICD44Gn6Kej44GPCndoaWxlIHRydWUgZG8KCWFzPVtdCgluPWdldHMudG9faQoJYnJlYWsgaWYgbj09MAoJbi50aW1lc3sKCQlhczw8Z2V0cy5zcGxpdC5tYXB7fGV8IGUudG9faX0uc3VtCgl9CglwdXRzIFthcy5tYXgsYXMubWluXS5qb2luKCIgIikKZW5k