#include <fstream>
 
using namespace std;
 
#define MAX 8
 
ifstream in("permutari.in");
ofstream out("permutari.out");
 
int n=3;
int v[MAX];
 
void print(int v[MAX]) {
    for (int i=0;i<n;i++) {
        out<<v[i]<<" ";
    }
 
    out<<"\n";
}
 
bool isValid(int i) {
    for (int j=0;j<i;j++)
        if (v[j]==v[i])
            return false;
 
    return true;
}
 
void bkt(int x) {
    if (x==n) {
            print(v);
            return;
        }
 
    for (int i=1;i<=n;i++) {
        v[x]=i;
 
        if (isValid(x))
            bkt(x+1);
    }
}
 
int main() {
    in>>n;
 
    bkt(0);
 
    return 0;
}