#include<bits/stdc++.h>
template<class T>inline void read(T &x){x=0;char c=getchar();bool f=0;for(;!isdigit(c);c=getchar())if(c=='-')f=1;for(;isdigit(c);c=getchar())x=(x<<3)+(x<<1)+c-'0';x=f?(~(x-1)):x;}
template<class T>inline void write(T x){if(x<0)return putchar('-'),write(-x),void();if(x>=10)write(x/10);putchar(x%10+'0');return;}
template<class T>inline void print(T x){write(x);putchar('\n');}
template<typename type,typename ...T>inline void read(type &x,T&...y){read(x),read(y...);}
using namespace std;
const int N=505;
int n,q;
string s,t[N];
inline int check(int pos){
	int ans=0;
	for(int i=1;i<=q;++i){
		int len=t[i].length()-1;
		bool same=1;
		if(pos+len-1>n)same=0;
		else{
			for(int j=1;pos+j-1<=n&&j<=len;++j){
				if(t[i][j]!=s[pos+j-1]){
					same=0;
					break;
				}
			}
		}
		if(same==1){
			ans++;
		}
	}
	return ans;
}
int result;
signed main(){
	read(n);
	cin>>s;
	s=" "+s;
	read(q);
	for(int i=1;i<=q;++i){
		cin>>t[i];
		t[i]=" "+t[i];
	}
	for(int i=1;i<=n;++i){
		result+=check(i);
	}
	print(result);
	return 0;
}