#include <bits/stdc++.h>
int getDigit(char *input) {
  int i = 0;
  while (input[i] != '\0') {
    i++;
  }
  return i;
}
int main(void) {
  char s[126];
  scanf("%s", s);
  int K;
  int n = getDigit(s);
  scanf("%d", &K);
  int dp[126][4][2] = {};
  dp[0][0][0] = 1;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < 4; j++) {
      for (int k = 0; k < 2; k++) {
        int nd = s[i] - '0';
        for (int d = 0; d < 10; d++) {
          int ni = i + 1;
          int nj = j;
          int nk = k;
          if (d != 0) nj++;
          if (nj > K) continue;
          if (k == 0) {
            if (d > nd) continue;
            if (d < nd) nk = 1;
          }
          dp[ni][nj][nk] += dp[i][j][k];
        }
      }
    }
    putchar('\n');
  }
  for (int i = 0; i <= n; i++) {
    for (int j = 0; j <= K; j++) {
      printf("%d(%d) ", dp[i][j][0], dp[i][j][1]);
    }
    putchar('\n');
  }
  int answer = dp[n][K][0] + dp[n][K][1];
  printf("%d\n", answer);
  return 0;
}
