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#include <stdio.h>
#include <stdlib.h>
int n,S[101];
int valid (int k)
{
int i;
for (i=0;i<n;i++)
if (S[i]==S[k]) return 0;
else return 1;
}
int sol(int k)
{
if (k==n) return 1;
else return 0;
}
void tipar(int k)
{
int i;
for (i=0;i<k;i++)
printf("%d",S[i]);
printf("%d\n");
}
void back(int k)
{
int i,x;
for (i=0;i<n;i++)
{
S[k]=x;
if (valid(k))
{
if (sol(k)) tipar(k);
else back(k+1);
}
}
}
int main()
{
freopen("permutari.in","r",stdin);
freopen("permutari.out","w",stdout);
scanf("%d", &n);
back(1);
return 0;
}