#include "cassert"
#include "testlib.h"

const int min_h = 1, max_h = 1000000000;
const int min_w = 1, max_w = 1000000000;
int main(int argc, char* argv[]) {
	registerValidation(argc, argv);
	int h = inf.readInt(min_h, max_h);
	inf.readSpace();
	int w = inf.readInt(min_w, max_w);
	inf.readEoln();
	int ni = inf.readInt(1, h);
	inf.readSpace();
	int nj = inf.readInt(1, w);
	inf.readEoln();
	int zi = inf.readInt(1, h);
	inf.readSpace();
	int zj = inf.readInt(1, w);
	inf.readEoln();
	assert(zi != ni or nj != zj);
	inf.readEof();
	return 0;
}