if rank.txt exists {
   if rank.txt is not empty {
      read each team's info and store in an array/hash
   }
}
if user wants to add new team data {
   loop # once through loop gets only data for one team
      get* team number
      get* member names
      get* team scores/whatever
      append record to rank.txt
   endloop
   # * input/store to array/hash
}
perform calculations for array/hash
print results