#include <bits/stdc++.h>
#define USE_FREOPEN
//#define MUL_TEST
#define FILENAME "traverse"

const int N =  + 5;

void solve() {
	ptus("2");
}

signed main() {
#ifdef USE_FREOPEN
	freopen(FILENAME ".in", "r", stdin);
	freopen(FILENAME ".out", "w", stdout);
#endif;

	int _ = 1;
#ifdef MUL_TEST
	scanf("%d", &_);
#endif
	while (_--) solve();
	_ ^= _;
	return (0^_^0)
}


