#include <stdio.h>

main(void) {
  int iarray = {1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1,
                5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51};
  int K = 0;
  scanf("%d",&K);
  K--;
  printf("%d",K);