#include<stdio.h>
int ans[202];
int main()
{
	int i, d;
	char res[4];
	for (d = 0; d < 100; d++)
	{
		ans[d] = 0;
		for (;;)
		{
			printf("? 1 1");
			for (i = 0; i < 99 - d; i++)
				printf("0");
			printf("\n");
			fflush(stdout);
			scanf("%s", res);
			if (res[0] == '>')
				ans[d]++;
			else if (res[0] == '<')
				break;
			else
			{
				ans[d]++;
				for (d++; d < 100; d++)
					ans[d] = 0;
				break;
			}
		}
		if (ans[0] == 10)
		{
			printf("! 1");
			for (i = 0; i < 100; i++)
				printf("0");
			printf("\n");
			return 0;
		}
	}
	ans[100] = 1;
	printf("! ");
	for (i = 0; ans[i] == 0; i++);
	if (i == 100)
		printf("0\n");
	else
	{
		for (; i < 100; i++)
			printf("%d", ans[i]);
	}
	printf("\n");
	return 0;
}