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#include <iostream>
#include <cstring>
using namespace std;
string S;
int k;
int dp[105][105];
bool cmp(string a, string b) {
    if(a.size() > b.size()) return false;
    if(a.size() < b.size()) return true;
    if(a < b) return true;
    if(a > b) return false;
    if(a == b) return true;
    return false;
}
int rec(int at, int k_left) {
    if(at == S.size() - 1 and k_left == k) {
        return 1;
    }
    if(at != -1 and dp[at][k_left] != -1) {
        return dp[at][k_left];
    }
    int result = 0;
    string tmp = "";
    for(int i = at + 1; i < S.size(); i++) {
        tmp += S[i];
        if(tmp[0] == '0' and tmp.size() >= 2) {
            continue;
        }
        if(cmp(tmp, "255")) {
            result += rec(i, k_left + 1);
        }
        else {
            break;
        }
    }
    if(at != -1) {
        dp[at][k_left] = result;
    }
    return  result;
}
int main()
{
    cin >> S >> k;
    for(int i = 0; i < 105; i++) {
        for(int j = 0; j < 105; j++) {
            dp[i][j] = -1;
        }
    }
    cout << rec(-1, 0) << endl;
    return 0;
}
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