#include<bits/stdc++.h>
#define ll long long
#define MAXN 1000010
using namespace std;
ll k,m,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,ans;
int main() {
	ios::sync_with_stdio(false);	cin.tie(0);		cout.tie(0);
	cin>>m>>k;
	w15=m%10;
	w14=m%100%10;
	w13=m%1000/100;
	w12=m%10000/1000;
	w11=m%100000/10000;
	w10=m%1000000/100000;
	w9=m%10000000/1000000;
	w8=m%100000000/10000000;
	w7=m%1000000000/100000000;
	w6=m%10000000000/1000000000;
	w5=m%100000000000/10000000000;
	w4=m%1000000000000/100000000000;
	w3=m%10000000000000/1000000000000;
	w2=m%100000000000000/10000000000000;
	w1=m/1000000000000000;
	if(w1=k) ans++;
	if(w2=k) ans++;
	if(w3=k) ans++;
	if(w4=k) ans++;
	if(w5=k) ans++;
	if(w6=k) ans++;
	if(w7=k) ans++;
	if(w8=k) ans++;
	if(w9=k) ans++;
	if(w10=k) ans++;
	if(w11=k) ans++;
	if(w12=k) ans++;
	if(w13=k) ans++;
	if(w14=k) ans++;
	if(w15=k) ans++;
	if(ans=k) cout<<"YES";
	else cout<<"NO";
	return 0;
}