M. oPlus
time limit per test
2 seconds
memory limit per test
64 megabytes
input
standard input
output
standard output

You are given an encrypted string, encrypted using a certain algorithm.Decrypt it !

Each character of the encrypted string has ASCII code between 0 and 255 inclusive.So you're given the ASCII code of each character.It's guaranteed that the original string is made of lower case English letters.

Input

The first line of input contains integer n, the size of the encrypted string. (1 ≤ n ≤ 105).

The second line contains n integers between 0 and 255 inclusive, speared by space.

Output

Print the original string.

Examples
Input
7
189 182 191 172 164 187 182
Output
charzeh
Input
7
167 177 171 173 187 184 183
Output
yousefi
Input
3
179 179 170
Output
mmt
Input
11
188 183 181 183 176 183 175 171 187 172 167
Output
bikiniquery