local n = io.read("*n")
local a, b = {}, {}
local idx = {}
for i = 1, n do
  a[i], b[i] = io.read("*n", "*n")
  idx[i] = i
end
table.sort(idx, function(x, y) return a[x] + b[x] > a[y] + b[y] end)
local sum = 0
for i = 1, n do sum = sum + a[i] end
for i = 1, n do
  if sum - a[idx[i]] <= b[idx[i]] then
    sum = sum - a[idx[i]]
  else
    print("No") os.exit()
  end
end
print("Yes")