#include <bits/stdc++.h>
using namespace std;
void Print(int _x) { printf("%d\n", _x); }
void Print(long long _x) { printf("%I64d\n", _x); }
template <typename T>
void Print(T _a[], int _s, int _t) {
  for (int i = _s; i <= _t; i++) cout << _a[i] << " ";
  cout << endl;
}
struct InputReader {
  static const int bs = 100000;
  char buf[bs];
  int p;
  inline InputReader() : p(bs) {}
  inline void Flush() {
    p = 0;
    fread(buf, 1, bs, stdin);
  }
  inline char C() {
    if (p >= bs) Flush();
    return buf[p++];
  }
  inline int Getnum() {
    char ch = C();
    while (ch < '0' || ch > '9') ch = C();
    return (int)(ch - '0');
  }
  inline int operator()() {
    int ans = 0;
    char ch = C();
    int fu = 1;
    while (ch < '0' || ch > '9') {
      if (ch == '-') fu = -1;
      ch = C();
    }
    while (ch >= '0' && ch <= '9') {
      ans *= 10;
      ans += ch - '0';
      ch = C();
    }
    return ans * fu;
  }
  inline long long Readll() {
    long long ans = 0LL;
    char ch = Getnum() + '0';
    while (ch >= '0' && ch <= '9') {
      ans *= 10LL;
      ans += ch - '0';
      ch = C();
    }
    return ans;
  }
  inline void Readstring(string &x) {
    x.clear();
    char ch = C();
    while (!isdigit(ch) && !isalpha(ch)) ch = C();
    int p = 0;
    while (isdigit(ch) || isalpha(ch)) {
      x += ch;
      ch = C();
      p++;
    }
    x[p] = '\0';
  }
  inline char Specialread() {
    char ch = C();
    while (ch != '.' && ch != '?' && ch != '!') ch = C();
    return ch;
  }
} In;
inline void Read(int &x) { x = In(); }
inline void Read(int &x, int &y) {
  x = In();
  y = In();
}
inline void Read(int &x1, int &x2, int &x3) {
  x1 = In();
  x2 = In();
  x3 = In();
}
inline void Read(int &x1, int &x2, int &x3, int &x4) {
  x1 = In();
  x2 = In();
  x3 = In();
  x4 = In();
}
inline void Read(long long &x) { x = In.Readll(); }
clock_t _starttime, _endtime;
inline void FILEIO() {}
inline void END() { exit(0); }
int n;
int maybe[30];
int main() {
  FILEIO();
  for (register int(i) = 0; (i) < (27); (i)++) maybe[i] = 1;
  Read(n);
  int i;
  for (i = 1; i <= n; i++) {
    char op = In.Specialread();
    string s;
    In.Readstring(s);
    int len = s.length();
    if (op == '.') {
      for (register int(i) = 0; (i) < (len); (i)++) {
        maybe[s[i] - 'a'] = 0;
      }
    }
    if (op == '?') {
      maybe[s[0] - 'a'] = 0;
    }
    if (op == '!') {
      bool app[30];
      memset(app, 0, sizeof(app));
      for (register int(i) = 0; (i) < (len); (i)++) app[s[i] - 'a'] = 1;
      for (register int(i) = 0; (i) < (26); (i)++)
        if (!app[i]) maybe[i] = 0;
    }
    int cnt = 0;
    for (register int(i) = 0; (i) < (26); (i)++) cnt += maybe[i];
    if (cnt == 1) break;
  }
  if (i >= n - 1) {
    printf("0\n");
    END();
  }
  int ans = 0;
  for (i++; i <= n; i++) {
    char op = In.Specialread();
    string s;
    In.Readstring(s);
    if (op != '.') ans++;
  }
  ans--;
  printf("%d\n", ans);
  END();
}
