#include <stdio.h>

int main () {
  int n = 0;
  int s = 0;
  
  int res = 0;
  
  int prev_s = 0;
  int p[1000] = {};
  
  res = scanf("%d", &n);
  
  prev_s = (n*(n+1))/2; 
  for (int i = n-1; i > 1; i--) {
    printf("? 1 %d\n", i);
    fflush(stdout);
    res = scanf("%d", &s);
    p[i] = prev_s-s;
    prev_s = s;
  }
  
  printf("? 2 3\n");
  fflush(stdout);
  res = scanf("%d", &s);
  p[1] = s-p[2];
  p[0] = prev_s-p[1];
  
  printf("!");
  for (int i = 0; i < n; i++) {
    printf(" %d", p[i]);
  }
  printf("\n");
  
  return 0;
}