POJ 1731

#include <iostream>
#include <algorithm>
#include <cstring>
using namespace std;
int main() {
    char str[256];
    int len;
    cin>>str;
    len=strlen(str);
    sort(str,str+len);
    do cout<<str<<endl; while (next_permutation(str,str+len));
    return 0;
}