#include <bits/stdc++.h>
using namespace std;

int main(){
    int n, k, v, ans = 0;
    cin >> n >> k;
    vector<bool> dp(390625), dp2(390625);
    for(int i = 0; i < n; i++){
        string s;
        cin >> s;
        dp[v] = dp2[v = stoi(s, nullptr, 5)] = true;
    }
    for(int i = 390624; i >= 0; i--){
        if(!dp2[i])continue;
        ans += dp[i];
        for(int j = 0, d = 1; j < k; j++, d *= 5){
            if(i / d % 5){
                dp2[i - d] = true;
                dp[i - d] = false;
            }
        }
    }
    cout << n - ans << '\n';
}