#include<bits/stdc++.h>
using namespace std;
#define el "\n"
#define ll long long
#define ull unsigned long long
#define se second
#define fi first
#define be begin()
#define en end()
#define Faster cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);

int kDigitsNumbers(int *a, int n, int k)
{
    int ans = 0;
    for(int i = 0; i < n; i++)
    {
        int x = abs(a[i]);
        string s = to_string(x);
        if(s.size() == k) ans++;
    }
    return ans;
}
int main()
{
    Faster;
    int n, k; cin >> n >> k;
    int *a = new int[n];
    for(int i = 0; i < n; i++) cin >> a[i];
    cout << kDigitsNumbers(a, n, k);
    return 0;
}