print "1,1,1,1 == ",NumberOfDaysBetween(1,1,1,1),"\n";
print "1,1,5,1 == ",NumberOfDaysBetween(1,1,5,1),"\n";
print "1,1,1,2 == ",NumberOfDaysBetween(1,1,1,2),"\n";
print "8,3,3,8 == ",NumberOfDaysBetween(8,3,3,8),"\n";
exit(0);