Jedu mi se napolitanke

#include <stdio.h>

int main() {
  int i, a, b, c, d, num, cnt = 0;

  scanf("%d %d %d %d %d", &a, &b, &c, &d, &num);

  for(i = 1; i <= num; ++i){
      if(i % a == 0 || i % b == 0 || i % c == 0 || i % d == 0) ++cnt;
  }

  printf("%d", cnt);
  return 0;
}