N = input()
zero = 0
one = 0
n = len(N)
for a in N:
    if a == "0":
        zero += 1
    else:
        one += 1
import sys
if one <= 1:
    print('No')
    exit()
if one == 2 or zero <= 1:
    print('Yes')
    exit()
else:
    print('No')
    exit()