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SUBMITTED BY: Guest

DATE: Dec. 25, 2013, 3:07 p.m.

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#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;

int main()
{
	char id[51];

	while (scanf("%s", id) && id[0] != '#')
	{
		if (next_permutation(id, id+strlen(id)))
			printf("%s\n", id);
		else
			printf("No Successor\n");
	}
	return 0;
}