Verse 32

ٱسْلُكْ يَدَكَ فِى جَيْبِكَ تَخْرُجْ بَيْضَآءَ مِنْ غَيْرِ سُوٓءٍ وَٱضْمُمْ إِلَيْكَ جَنَاحَكَ مِنَ ٱلرَّهْبِ فَذَٰنِكَ بُرْهَـٰنَانِ مِن رَّبِّكَ إِلَىٰ فِرْعَوْنَ وَمَلَإِي۟هِۦٓ إِنَّهُمْ كَانُوا۟ قَوْمًا فَـٰسِقِينَ

Put your hand in your pocket, it will come out white without ill and settle down your wings without fear for these are two proofs from your Lord to show to Pharaoh and his people. Indeed they are wicked people.