#include <cassert>
#include <cstdio>

int main(void) {
  int N; scanf("%d", &N);
  assert(0 <= N && N <= 100);
  int res = 0;
  for(int cnt5=0; cnt5*5<=N; ++cnt5) {
    for(int cnt2=0; cnt2<=cnt5 && cnt2*2<=N; ++cnt2) {
      for(int cnt3=0; cnt3*3<=N; ++cnt3) {
        if(cnt5*5 + cnt2*2 + cnt3*3 == N) { ++res; }
      }
    }
  }
  printf("%d\n", res);
  return 0;
}