#include <iostream>
#include <vector>
using namespace std;
signed main(){
vector<double> a(50);
for(auto &i:a) cin >> i;
for(int i = 0; i < 50; i++){
if(a[i] < 0){
cout << i + 1;
return 0;
}
}
cout << "There are no negative elements in current array";
}