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#include <bits/stdc++.h>

using namespace std;

int tab[400][400];

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	
	unsigned long long n, m, k, x, y;
	cin >> n >> m >> k;
	
	for(unsigned long long i=0;i<m;++i)
	{
		cin >> x >> y;
	}
	cout << "0";
	return 0;
}