text: def find_checksum(data):
      running_sum = 0
      for row in data.splitlines():
          for divider in row.split('\t'):
              divider = int(divider)
              for dividend in row.split('\t'):
                  dividend = int(dividend)
                  if divider != dividend and divider % dividend == 0:
                      running_sum += divider / dividend
      return running_sum
  
  
  if __name__ == '__main__':
      with open('input.txt', 'r') as f:
          print(find_checksum(f.read()))
  