SMS

#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <conio.h>
#include <string>
#include <algorithm>
#include <vector>
#include <map>
#include <queue>
#include <set>

using namespace std;

int main()
{
    string SMS;
    int N, M;
    cin >> N >> M;
    bool Mgood = true;
    int num = 0;
    getline(cin, SMS);
    getline(cin, SMS);
    int answ = 1;
    for(int i=0;i<=SMS.size()-1;i++)
    {
        if (SMS[i] != ' ' && ((SMS[i]<'A' || SMS[i]>'Z') && (SMS[i]<'a' || SMS[i]>'z')))
            Mgood = false;
        if (Mgood)
        {
            if (num >= M)
            {
                answ ++;
                num = 1;
            }
            else
                num++;
        }
        else
        {
            if (num >= N)
            {
                Mgood = !(SMS[i] != ' ' && ((SMS[i]<'A' || SMS[i]>'Z') && (SMS[i]<'a' || SMS[i]>'z')));
                answ ++;
                num =1;
            }
            else
                num++;
        }
    }

    cout << answ;
    system("pause");
    return 0;
}