def main():
    def ask(k,n):
        ans[k]=n
        print(*ans,sep="",flush=True)
        ret=input().split()
        if int(ret[0])==10:exit()
        return int(ret[0])

    ans=[0]*10
    for k in range(10):
        px=ask(k,9)
        for n in range(9):
            x=ask(k,n)
            if x>px:break
            if x<px:
                ans[k]=9
                break
            px=x

main()