k=int(input())
i=int(input())
s="0"

a=0


while a !=k-1:
        e=s

        w=len(s)

        f="1"*w

        e=int(e)

        f=int(f)

        f+=e

        f=str(f)
        s=s [::-1]


        s+=f

        a+=1
        #print(s)

s.split(' ,')
s=list(s)
r=s[i-1]
print(r)