#include <iostream>
using namespace std;
int main() {
int m;
cin >> m;
int Z[m];
int count = 0;
int sign = 0;
for (int i = 0; i < m; i++){
cin >> Z[i];
}
int i = 0;
for(i = 0; (Z[i] == 0) && (i < m); i++ );
sign = Z[i];
// cout << sign << endl;
for (int i = 0; i < m; i++) {
if (sign * Z[i] < 0) {
sign = Z[i];
count ++;
}
}
cout << "count" << " = " << count << " ";
return 0;
}
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