#include <iostream>
#include <vector>
using namespace std;
struct packet
{
int kind;
};
packet pkt;
int main() {
// your code goes here
vector<packet> a[16][3];
pkt.kind=1;
a[15][2].push_back(pkt);
pkt.kind=2;
a[15][2].push_back(pkt);
pkt.kind=3;
a[15][2].push_back(pkt);
pkt.kind=4;
a[15][2].push_back(pkt);
cout<< a[15][2].size() << endl;
return 0;
}
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