Go: // Package main provides
//
// File:  1237.go
// Author: ymiyamoto
//
// Created on Wed Jul 11 10:35:26 2018
//
package main

import (
	"fmt"
	"strconv"
	"strings"
)

func comb(ns []string, aux [][]string) [][]string {
	if len(ns) == 0 {
		return aux
	}
	v := ns[0]
	a := [][]string{}
	for _, au := range aux {
		tmp := make([]string, len(au))
		copy(tmp, au)
		tmp[len(tmp)-1] += v
		a = append(a, tmp)

		au = append(au, v)
		a = append(a, au)
	}

	return comb(ns[1:], a)
}

func main() {
	for {
		var d int
		var num string
		fmt.Scan(&d, &num)
		if d == 0 {
			break
		}

		var min int
		ns := strings.Split(num, "")
		for i := range ns {
			v, _ := strconv.Atoi(ns[i])
			min += v
		}

		var ans int
		var pat []string
		var hasSame bool
		for _, c := range comb(ns[1:], [][]string{{ns[0]}}) {
			var total int
			for _, v := range c {
				n, _ := strconv.Atoi(v)
				total += n
			}
			if ans == total {
				hasSame = true
			} else if ans < total && total <= d {
				ans = total
				pat = c
				hasSame = false
			}
		}

		if ans == 0 {
			fmt.Println("error")
		} else if hasSame {
			fmt.Println("rejected")
		} else {
			fmt.Println(ans, strings.Join(pat, " "))
		}
	}
}

C++: //
//
//  Codeforces: ganariya
//  AtCoder: ganariya2525
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMHBYYYWMMMM#BYYTTTYWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMB9O1==?????zzCC111>>;;;;;;;;;;;<?TMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMMMMM9Olll=l======??????????>>>>>>;;;;;;;;;:;?TMMMMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMMMM9ttlllllllll=l=======?????????>>>>>>;;;;;;;;;;?TMMMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMMMBOttOtttttltlllllllll=======??????????>>>>>>>;;;;;;?TMMMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMMMBttwOtttttttttttttlllllllll========?????????>>>>>>;;;;;<TMMMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMMBrwZrttttttttttttttttttlllllllllll======???????????>>>>>>;;?HMMMMMMMMMMMMMMMMMMM
//  MMMMMMMMMMMMMMMMMMMSw0trtrrtrtrttrtttttttttttttlllOllllll========????<<zz??>>>>>>ZMMMMMMMMMMMMMMMMMM
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//include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <unordered_map>
#include <climits>
#include <set>
#include <unordered_set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <queue>
#include <random>
#include <complex>
#include <regex>
#include <locale>
#include <random>
#include <type_traits>

using namespace std;

#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOW_MAP(v){std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}

using LL = long long;

//~~~~~~~~~~~~~~~~~~~~~_(＾～＾ ｣ ∠)_~~~~~~~~~~~~~~~~~~~~~

void f(int i, string S, vector<int> pre, map<int, int> &m) {

    if (i == S.size()) {
        int sum = accumulate(pre.begin(), pre.end(), 0);
        m[sum]++;
        return;
    }

    int d = 0;
    for (int j = i; j < S.size(); j++) {
        d = d * 10 + (S[j] - '0');
        auto D = pre;
        D.push_back(d);
        f(j + 1, S, D, m);
    }
}

void g(int i, string S, vector<int> pre, int aim) {
    if (i == S.size()) {
        int sum = accumulate(pre.begin(), pre.end(), 0);
        if (sum == aim) {
            cout << sum << " ";
            for (int j = 0; j < pre.size(); j++) {
                if (j != pre.size() - 1) {
                    cout << pre[j] << " ";
                } else {
                    cout << pre[j] << endl;
                }
            }
        }
        return;
    }

    int d = 0;
    for (int j = i; j < S.size(); j++) {
        d = d * 10 + (S[j] - '0');
        auto D = pre;
        D.push_back(d);
        g(j + 1, S, D, aim);
    }
}

int main() {

    while (true) {

        int t, num;
        cin >> t >> num;

        if (t == 0 && num == 0) break;

        if (t == num) {
            cout << t << " " << num << endl;
            continue;
        }

        map<int, int> m;
        string S = to_string(num);
        f(0, S, vector<int>(), m);

        int maxV = -1;
        for (auto x: m) if (x.first <= t) maxV = max(x.first, maxV);

        if (maxV == -1) {
            cout << "error" << endl;
            continue;
        }

        bool rejected = false;
        for (auto x: m) if (x.first == maxV && x.second > 1) rejected = true;
        if (rejected) {
            cout << "rejected" << endl;
            continue;
        }

        g(0, S, vector<int>(), maxV);

    }

    return 0;
}