GNU is an abbreviation of “GNUisNotUnix”.
In other words, after one recursion, “GNU” should be turned into “GNUisNotUnix”;
One more time, “GNU” should be turned into “GNUisNotUnixisNotUnix”；
Obviously, the result should be “GNUisNotUnixisNotUnixisNotUnix” after three recursions, and so on.
Please output the result after N recursions. Attention, it is case-sensitive and no blank spaces are included.
Given 1 row includes 1 integer N, 1<=N<=1000000, output 1 line representing the result after N recursions.

Sample
Input:

4

Output:

GNUisNotUnixisNotUnixisNotUnixisNotUnix

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Special thanks: this is translated selflessly by LydiaCCC, who did not want to be named.