Problem Description
Due to Rar the Cat's eccentricity, he has a special love for a certain letter of the alphabet, 'C'. In fact, he loves the letter 'C' so much, he is conducting an investigation on it! In order to prove that the letter 'C' is the best, he has found a series of N words from the cat dictionary. Given the N words he has found in the dictionary, help Rar the Cat by calculating the proportion of the letter 'C' in the words given.
Input
The first line of input will contain an integer, N.
The next N lines of input will contain a string no longer than 100 characters long, which denotes a word that Rar the Cat has found.
Output
Your output should contain a percentage, rounded down to the nearest integer, indicating the proportion in which the letter 'C' appears.
Limits
1 <= N <= 10 000
Sample Input 1
5
Peanut
Potato
Catfood
Awesome
Catfoodisfreakindeliciousyumyum
Sample Output 1
5%