#include <stdio.h>

void prans(int x[]){
	int i;
	for(i = 1;i <= 10;i++){printf("%d",x[i]);}
	printf("\n");
}

int main(void){
	int t[16]={0},a[16]={0},i,j,r,c;
	char d[16];
	for(i = 1;i <= 10;i++){
		for(j = 0;j <= 9;j++){
			t[i] = j;
			prans(t);
			fflush(stdout);
			scanf("%d%s",&r,d);
			if(r == 10){return 0;}
			if(j == 0){c = r;}
			else{
				if(c > r){a[i] = 0;break;}
				if(c < r){a[i] = j;break;}
			}
		}
	}
	prans(a);
	fflush(stdout);
	scanf("%d%s",&r,d);
	if(r == 10){return 0;}
	return 0;
}