k=''
for i in range(10):
    g=False
    c,b=0,0
    for j in ['0'*(9-i)+str(x)+k for x in range(10)]:
        print(j);r=int(input().split()[0])
        if r==10:
            g=True
            break
        if c==0:
            b=r
            c+=1
            continue
        elif r==b:
            c+=1
            continue
        k=str(c if r>b else c-1)+k
        break
    if g:break