 <translate> Give the step-by-step reasoning process and then the final answer. Alice wants 1000 folded paper cranes. She folds half by herself, and a friend folds a fifth of the remaining paper cranes for her. How many paper cranes does Alice still need to fold? <yor> Ṣàlàyé bí wọ́n ṣe ń ronú lẹ́ẹ̀kan-lẹ́ẹ̀kan, kó o sì wá sọ ìdáhùn tó o máa fún wọn. Alice fẹ́ ẹgbẹ̀rún kan àgbá tí wọ́n fi bébà ṣe. Òun fúnra rẹ̀ ló máa ń ká ìdajì rẹ̀, ọ̀rẹ́ rẹ̀ kan sì máa ń ká ìdá márùn-ún lára àwọn ìwé tó ṣẹ́ kù fún un. Ẹ̀dà ìwé mélòó ni Alice ṣì ní láti ká? 