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

Ex Input:
Sentence: 'there is a big room with furniture and items inside'. Replace the letter 'e' with 'k' in the sentence.

Ex Output:
thkrk is a big room with furniturk and itkms insidk


Ex Input:
Sentence: 'a man standing in the water flying a kite'. Replace the letter 'w' with 's' in the sentence.

Ex Output:
a man standing in the sater flying a kite


Ex Input:
Sentence: 'a skier in the midst of a jump'. Replace the letter 'm' with 'd' in the sentence.

Ex Output:

a skier in the didst of a judp