#include <stdio.h>

int main(int argc, char const *argv[]) {

  int start;
  int *ptr = &start;

  int total = 0;

  printf("how many numbers would you like to add: ");
  scanf("%d", &start);
  for (size_t i = 0; i < start; i++) {
    ptr++;
    printf("please enter a number: ");
    scanf("%d", ptr);
    total+=*ptr;
  }
  printf("total is %d\n", total);

  return 0;
}