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#include <stdio.h>
using namespace std;
FILE *f=fopen("combinari.in","r");
FILE *g=fopen("combinari.out","w");
long n,m,i,j,x[50];
void afisare()
{
for(int i=1;i<=m;i++)
fprintf(g,"%ld ",x[i]);
fprintf(g,"\n");
}
void bkt(long k)
{
if (k>m)
afisare();
else
for (int i=x[k-1]+1;i<=n;i++)
{
x[k]=i;
bkt(k+1);
}
}
int main()
{
fscanf(f,"%ld%ld",&n,&m);
for (i=1;i<=n-m+1;i++)
{
x[1]=i;
bkt(2);
}
fclose(f);
return 0;
}