#include <stdio.h> int main () { int n = 0; int m = 0; int res = 0; res = scanf("%d", &n); res = scanf("%d", &m); for (int i = 0; i < (1<<n); i++) { printf("%d", (i<<m)); for (int j = 1; j < (1<<m); j++) { printf(" %d", (i<<m)+j); } printf("\n"); } return 0; }