a,b = input().split();
j = i = 0;
for i in range(int(a),int(b)):
    j = i;
    if (i%3 == 0):
        print(i);
    else:
        while(j > 10):
            print(j)
            if (j%10 == 3):
                print(i);
            j = j/10;