Hi, I have sent two transactions yesterday, however it still shows unconfirmed today and it shows a low fee warning. Does it mean I lose my bitcoins forever? Is there anyway I can fix this? Those are the transaction ID.

42e2a8ffe2ac1223792d02c1b851a75337f67fc0c123638f7b1be5be1684dbe0
f3e20442966b9ee7b9abdf786f3997c72237bc2b082f34486f7ee53e16ab7beb