In this task, you need to replace a letter in the sentence with another given letter.

Input: Consider Input: Sentence: 'a woman is snowboarding down a snowy hill'. Replace the letter 'l' with 'b' in the sentence.

Output: a woman is snowboarding down a snowy hibb


Input: Consider Input: Sentence: 'a man eats while holding himself up in a one-hand push up position'. Replace the letter 'i' with 'p' in the sentence.

Output: a man eats whple holdpng hpmself up pn a one-hand push up posptpon


Input: Consider Input: Sentence: 'an old black and white photo of a man and woman'. Replace the letter 'a' with 'n' in the sentence.


Output: nn old blnck nnd white photo of n mnn nnd womnn