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

Input: Consider Input: Sentence: 'closeup of two teddy bears in red scarves and a brown teddy bear'. Replace the letter 'i' with 'y' in the sentence.

Output: closeup of two teddy bears yn red scarves and a brown teddy bear


Input: Consider Input: Sentence: 'a couple of kids are sitting in a field'. Replace the letter 't' with 'v' in the sentence.

Output: a couple of kids are sivving in a field


Input: Consider Input: Sentence: 'young adults playing with a nintendo wii in room'. Replace the letter 'o' with 'x' in the sentence.


Output: yxung adults playing with a nintendx wii in rxxm