n=9;
time=[2531, 9303, 12218, 14848, 16919, 20324, 22437, 22600, 28892];
passenger=[10, 17, 12, 10, 8, 7, 11, 11, 12];
country=[{66,18,67,72,4,15,98,33,74,71},{16,27,77,40,64,75,100,95,14,79,36,63,22,76,40,69,11},{38,55,56,84,36,65,3,44,96,90,94,43},{18,76,12,44,8,52,47,3,23,80},{17,54,52,77,89,90,59,81},{26,96,74,25,83,75,63},{69,46,18,21,89,2,32,59,47,36,44},{99,45,62,96,30,16,73,10,24,36,66},{38,90,76,53,27,5,90,17,37,19,53,20}]