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#include <stdio.h>
#include <stdlib.h>
int v[17],f[17];
void bkt(int k,int n,int p)
{
int i;
if(p>k){
for(i=1; i<=k; i++)
printf("%d ",v[i]);
printf("\n");
}
else
{
for(v[p]=v[p-1]+1; v[p]<=n; v[p]++)
{
if(f[v[p]]==0){
f[v[p]]=1;
bkt(k,n,p+1);
f[v[p]]=0;
}
}
}
}
int main()
{
int i,n;
freopen("submultimi.in","r",stdin);
freopen("submultimi.out","w",stdout);
scanf("%d",&n);
for(i=1; i<=n; i++)
bkt(i,n,1);
return 0;
}