mod = 1000000007
eps = 10**-9


def main():
    import sys
    input = sys.stdin.readline

    N = int(input())
    C = []
    for _ in range(N):
        a, b = map(int, input().split())
        C.append((a, a + b))
    C.sort(key=lambda x: x[1])
    W = 0
    ok = 1
    for a, b in C:
        W += a
        if W > b:
            ok = 0
            break
    if ok:
        print("Yes")
    else:
        print("No")


if __name__ == '__main__':
    main()