def friendly(X):
    n = len(X)/8
    nr = 0
    for i in range(n):
        if (X[8*i]=='1'):
            if nr > 0:
                return False
            k=8*i+7
            while (X[k]=='0'):
                k=k-1
                nr+=1  
        else:
            if nr<=0:
                return False
            else:
                nr-=1   
    return (nr==0)

X = raw_input()
if (friendly(X)):
    print 'Yes'
else:
    print 'No'