import sys

code = []
for i in xrange(10):
    digits = []
    for j in xrange(10):
        ans = j * 10**i
        print str(ans).zfill(10)
        sys.stdout.flush()
        X = raw_input().split()
        X = int(X[0])
        if X == 10:
            exit()
        else:
            digits.append(X)
    n = digits.index(max(digits))
    code.append(n)

code = code[::-1]
code = map(str, code)
print ''.join(code)