#include <bits/stdc++.h> 
using namespace std;

bool compare(int a,int b)
{
int tmp_a=a,tmp_b=b,sum_a=0,sum_b=0;
while(tmp_a)
{
	sum_a+=tmp_a%10;
	tmp_a+=tmp_a/10;
}
while(tmp_b)
{
	sum_b+=tmp_b%10;
	tmp_b+=tmp_b/10;
}
if(sum_a==sum_b)
	return a<b;
else
	return sum_a<sum_b;
}
int main()
{
	long long n,m;
	cin>>n>>m;
	int a[n+1];
	for(int i=1;i<=n;i++)
		a[i]=i;
	sort(a+1,a+1+n,compare);
	cout<<a[m];		
	return 0;
}