#include <iostream>
using namespace std;
int main() {
int k,kol=0,n,m,i,j;
int a[100][100];
cin>>n>>m;
for(i=0;i<n;i++){
for(j=0;j<m;j++){
cin>>a[i][j];
}
}
cin>>k;
for(i=0;i<n;i++){
for(j=0;j<m;j++){
if(a[i][j]==k){
kol++;
}
}
}
cout<<kol;
return 0;
}
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