#import pdb; pdb.set_trace()
import sys
import copy

def main():
    a = ["0","0","0","0","0","0","0","0","0","0"]
    num = ["0","1","2","3","4","5","6","7","8","9"]
    f = ["" for i in range(10)]
    print ("".join(a))
    (x, z) = input().split()
    now = x
    if x == "10":
        sys.exit()
    for i in range(1, 10):
        
        for j in range(10):
            tmpa = copy.deepcopy(a)
            tmpa[j] = num[i]
            print ("".join(tmpa))
            (x, z) = input().split()
            
            if x > now:
                a[j] = num[i]
                now = x
            elif x == "10":
                sys.exit()
    
if __name__ == '__main__':
    main()