#include <iostream>
#include <set>
#include <ctime>
using namespace std;

int main()
{
	clock_t tstart = clock();
	multiset<int> a;
	for(int i = 0; i < 10000; ++i)
		a.insert(123);
	int sum = 0;
	for(int i = 0; i < 10000; ++i)
		sum += a.count(123);
	cout << sum << endl;
	cerr << (clock() - tstart) / double(CLOCKS_PER_SEC) << endl;
	return 0;
}