#include<bits/stdc++.h>
using namespace std;
int Read(){
	int x=0;char ch=getchar();bool f=0;
	while(!isdigit(ch)) if(ch=='-') f=1,ch=getchar(); else ch=getchar();
	while(isdigit(ch)) x=(x<<1)+(x<<3)+(ch^48),ch=getchar();
	return f?-x:x;
}
bool ans[105];
int main(){
	int T=1000;
	while(T--){
		for(int i=1;i<=100;i++) ans[i]=1;
		for(int i=1;i<=100;i++){
			if(!ans[i]) continue;
			for(int j=i+1;j<=100;j++){
				printf("? %d %d\n",i,j);
				fflush(stdout);
				int x=Read();
				if(x!=1){
					ans[i]=0;
					ans[j]=0;break;
				} 
			}
		}
		printf("! ");
		for(int i=1;i<=100;i++) printf("%d",ans[i]);
		printf("\n");
		fflush(stdout);
			
	}
	return 0;
}