500 1
328 0
1134 0
1028 0
893 0
386 1
253 0
523 0
1000 0
694 0
860 0
557 1
1129 0
888 0
1040 0
800 0
1558 1
669 0
1344 0
1346 0
1263 0
1285 0
1045 0
1367 0
930 0
1263 1
1393 0
1614 0