https://www.lanqiao.cn/problems/2193/learning/?subject_code=1&group_code=4&match_num=13&match_flow=2&origin=cup

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

#define endl '\n'
using ll = long long;
using pii = pair<int, int>;
const double PI = acos(-1);
const int N=3e5+10;
const int mod = 1e9 + 7;
string s;
int len;
int a,b;
string ans;
void dfs(int u){
	if(u==len) {
		if(s>ans){
//			cout<<s<<" "<<ans<<endl;
			ans=s;
		}
		return;
	}
	int t=(int)(s[u]-'0');
	int c=min(9-t,a);
	a-=c;
	s[u]+=c;
	dfs(u+1);
	a+=c;
	s[u]-=c;
	if(b>t){
		b-=t+1;
		char now=s[u];
		s[u]='9';
		dfs(u+1);
		s[u]=now;
		b+=t+1;
	}
}
void solve() {
	ll n;cin>>n;
	cin>>a>>b;
	s=to_string(n);
	ans=s;
	len=s.size();
	dfs(0);
	cout<<ans;
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr), cout.tie(nullptr);
	
	int T = 1;
	//cin>>T;
	while (T--) {
		solve();
	}
	
	return 0;
}