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

Input: Consider Input: Sentence: 'three colorful knit bear toys with button eyes'. Replace the letter 'r' with 'z' in the sentence.

Output: thzee colozful knit beaz toys with button eyes


Input: Consider Input: Sentence: 'sliced pizza served on plate next to beverage at table'. Replace the letter 'n' with 'y' in the sentence.

Output: sliced pizza served oy plate yext to beverage at table


Input: Consider Input: Sentence: 'a traffic signal in a high density urban area'. Replace the letter 'r' with 'z' in the sentence.


Output: a tzaffic signal in a high density uzban azea