#include <stdio.h>

main()
{
int a, b, c, d, e, f;
for (a = 1; a <= 44; a++) {
  for (b = a+1; b <= 45; b++) {
    for (c = b+1; c <= 46; c++) {
      for (d = c+1; d <= 47; d++) {
	for (e = d+1; e <= 48; e++) {
	  for (f = e+1; f <= 49; f++) {
	    printf("%2d %2d %2d %2d %2d %2d\n", a, b, c, d, e, f);
	  }
	}
      }
    }
  }
}
}