#include <stdio.h>
#define FIN "permutari.in"
#define FOUT "permutari.out"

int n,
    sol[ 100 ],
    used[ 100 ];

void perm(int level) {

    if(level == n + 1) {

       for(int i = 1; i <= n; i++) {

           printf("%d ", sol[ i ]);
       }
       printf("\n");

    } else {

      for(int i = 1; i <= n; ++i) {
          if(!used[ i ]) {
              sol[ level ] = i;
              used[ i ] = 1;
              perm(level + 1);
              used[ i ] = 0;
          }
      }
    }
}

int main(int argc, char const *argv[]) {

    freopen(FIN, "r", stdin);
    freopen(FOUT, "w", stdout);

    scanf("%d", &n);
    perm(1);

  return 0;
}