#include #define UKN 200 int check(int x,int y,int z,int v) { int ret; if(x == UKN) printf("? %d %d %d\n",v,y,z); else if(y == UKN) printf("? %d %d %d\n",x,v,z); else printf("? %d %d %d\n",x,y,v); fflush(stdout); scanf("%d",&ret); return ret; } int work(int x,int y,int z) { int head,tail,mid1,mid2,d1,d2; int best,ret; head = -150; tail = 150; while(tail-head > 5) { mid1 = head + (tail-head)/3; mid2 = head + (tail-head)*2/3; d1 = check(x,y,z,mid1); d2 = check(x,y,z,mid2); if(d1 > d2) head = mid1; else tail = mid2; } best = check(x,y,z,head); ret = head; for(head++;head<=tail;head++) { d1 = check(x,y,z,head); if(d1 < best) best = d1, ret = head; } return ret; } int main() { int x,y,z; x = work(UKN,0,0); y = work(x,UKN,0); z = work(x,y,UKN); printf("! %d %d %d\n",x,y,z); fflush(stdout); return 0; }