In this task, you need to count the number of times the given letter appears in the given sentence.

Input: Consider Input: Sentence: 'a group of men standing around a table cutting a cake'. Find frequency of the letter 'g'

Output: 3


Input: Consider Input: Sentence: 'two indian women in colorful garb standing barefoot with two indian men'. Find frequency of the letter 'd'

Output: 3


Input: Consider Input: Sentence: 'a toilet and bucket in a white tiled bathroom'. Find frequency of the letter 'o'


Output: 3