import sys
readline = sys.stdin.readline

N = int(readline())
D = []
now = 0
for i in range(N):
    A, B = map(int, readline().split())
    D.append([A + B, A])
    now += A

D.sort()
while D:
    if D[-1][0] >= now:
        _, A = D.pop()
        now -= A
    else:
        break
    
print("No") if D else print("Yes")