#include <iostream>
#include <string>
using namespace std;
int main() {
string code,c;
int n, res=0;
cin>>code>>n;
code=code.substr(0,5);
for(int i=0;i<n;i++){
cin>>c;
c=c.substr(0,5);
if(code==c)
res++;
}
cout<<res;
return 0;
}
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