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#include <iostream>

#define ll long long

using namespace std;

ll MOD1 = 241177577;
ll MOD2 = 189001507;
ll MOD3 = 247170401;
ll MOD4 = 816101101;
ll pot1 = 37;
ll pot2 = 31;
ll pot3 = 47;
ll pot4 = 53;

int main()
{
cout << "0";


	return 0;
}