key = ['0'] * 10
num = [str(i) for i in range(10)]
now = '0'

for i in range(10):
    for j in range(10):
        key2 = key[:]
        key2[j] = num[i]
        print(''.join(key2))
        
        n, s = input().split()
        
        if n == '10':
            exit()
        
        elif n > now:
            key[j] = num[i]
            now = n