#include <stdio.h>

int hbres(int trying,int ans){
	int h=0,b=0,i,j,x[4],y[4];
	for(i = 0;i < 4;i++){
		x[i] = trying % 10;
		y[i] = ans % 10;
		trying/=10;
		ans/=10;
	}
	for(i = 0;i < 4;i++){
		if(x[i] == y[i]){h++;}
	}
	for(i = 0;i < 4;i++){
		for(j = 0;j < 4;j++){
			if(x[i] == y[j]){b++;}
		}
	}
	b-=h;
	return 10*h+b;
}

int main(void) {
	int x[16384] = {0},hit,blow,sim,i,j,a,b,c,d;
	for(a = 0;a <= 9;a++){
		for(b = 0;b <= 9;b++){
			if(a == b){continue;}
			for(c = 0;c <= 9;c++){
				if(a == c || b == c){continue;}
				for(d = 0;d <= 9;d++){
					if(a == d || b == d || c == d){continue;}
					x[1000*a+100*b+10*c+d] = 1;
				}
			}
		}
	}
	for(i = 0;i <= 9999;i++){
		if(x[i] == 0){continue;}
		printf("%d %d %d %d\n",i/1000,(i%1000)/100,(i%100)/10,i%10);
		fflush(stdout);
		scanf("%d%d",&hit,&blow);
		if(hit == 4){return 0;}
		for(j = 0;j <= 9999;j++){
			if(x[j] == 0){continue;}
			sim = hbres(j,i);
			if(10*hit+blow != sim){x[j] = 0;}
		}
	}
	return 0;
}