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Feb 26th, 2020
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  1. #счастливый билет назывется сумма первых трех 13 сумма вторых
  2. #трех 13 количство таких блетов
  3. n = int(input('количество билетов: '))
  4. l = 0
  5. for i in range(0,n):
  6. a = int(input('номер билета: '))
  7. j = 0
  8. sum = 0
  9. sum2 = 0
  10. while a > 0:
  11. j = j + 1
  12. k = a % 10
  13. a = a// 10
  14. if j <= 3:
  15. sum = sum + k
  16. if j > 3:
  17. sum2 = sum2 + k
  18. if sum2 == sum and ((sum2 == 13) or (sum == 13)) :
  19. l = l + 1
  20. print(l)
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