#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int add(char *str, unsigned int b)
{
  static int bl[6] = {1, 2, 4, 8, 16, 32};

  int res = 0, i;
  int start = 0;
  int len;
  char tmp;

  len = strlen(str);

  for (i = 0; i <= len - 1; i++) {
    if (b & bl[i] || i == len - 1) {
      tmp = str[i+1];
      str[i+1] = 0;
      res += atoi(&(str[start]));
      //printf("%s ", &(str[start]));
      str[i+1] = tmp;

      start = i+1;
    }
  }
  //printf("\n");

  return res;
}

void print(char *str, unsigned int b)
{
  static int bl[6] = {1, 2, 4, 8, 16, 32};

  int res = 0, i;
  int start = 0;
  int len;
  char tmp;

  len = strlen(str);

  for (i = 0; i <= len - 1; i++) {
    if (b & bl[i] || i == len - 1) {
      tmp = str[i+1];
      str[i+1] = 0;
      printf(" %s", &(str[start]));
      str[i+1] = tmp;

      start = i+1;
    }
  }
}

int main()
{
  int a;
  char str[100];
  int max, maxi, rejected;
  unsigned int i;
  int lp[7] = {0, 1, 2, 4, 8, 16, 32};
  int len;
  int res;

  stdin = freopen("paper.txt", "r", stdin);

  while (1) {
    max = 0;
    rejected = 0;
    scanf("%d", &a);
    scanf("%s", str);

    if (a == 0 && atoi(str) == 0) {
      break;
    }

    len = strlen(str);
    for (i = 0; i < lp[len]; i++) {
      res = add(str, i);
      if (a < res) continue;
      if (max < res) {
	rejected = 0;
	max = res;
	maxi = i;
      }
      else if (max == res) {
	rejected = 1;
      }
    }

    if (max == 0) {
      printf("error\n");
    }
    else if (rejected) {
      printf("rejected\n");
    }
    else {
      printf("%d", max);
      print(str, maxi);
      printf("\n");
    }

  }
  
}