#include <iostream>
using namespace std;
int tab[10], licznik = 0;
int main()
{
while(cin>>tab[0]>>tab[1])
{
for(int i=2; i<tab[1]+2; i++)
{
cin>>tab[i];
if(tab[0]==tab[i])
licznik++;
}
cout<<licznik<<endl;
licznik = 0;
}
return 0;
}
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