2100 2
860 0
1120 1
2020 0
1500 1
1620 0
1380 0
1820 1
1000 0
760 0
1120 0
1400 2
1200 1
1520 1
1360 0
2700 1
2440 0
2120 3
1960 0
2080 2
940 0
1440 0
1540 0