Samples
Input 1
200 500 800 500
3
400 0
450 500
400 1000
3
600 0
550 500
600 1000
Output 1
100 600
Input 2
300 300 700 100
5
300 0
400 100
300 200
400 300
400 1000
4
700 0
600 100
700 200
700 1000
Output 2
200 541.421356237
Input 3
300 400 700 600
2
400 0
400 1000
2
600 0
600 1000
Output 3
200 482.842712475
Input 4
200 500 800 500
3
400 0
450 500
400 1000
5
600 0
550 500
600 100
650 500
600 1000
Output 4
100 1200.326482915