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

Input: Consider Input: Sentence: 'a group of men sitting at a desk with lap top computers'. Replace the letter 'p' with 'z' in the sentence.

Output: a grouz of men sitting at a desk with laz toz comzuters


Input: Consider Input: Sentence: 'a person is looking out of a large window'. Replace the letter 'o' with 'p' in the sentence.

Output: a perspn is lppking put pf a large windpw


Input: Consider Input: Sentence: 'a person surf boarding on a wave in water'. Replace the letter 'n' with 'v' in the sentence.


Output: a persov surf boardivg ov a wave iv water