n = int(input())
answer = []
while len(answer) < n:
words = input().split() # words = ["5", "3"]
a = int(words[0]) # a = 5
b = int(words[1]) # b = 3
answer.append(a if a < b else b)
print(*answer)
biA9IGludChpbnB1dCgpKQphbnN3ZXIgPSBbXQp3aGlsZSBsZW4oYW5zd2VyKSA8IG46CiAgICB3b3JkcyA9IGlucHV0KCkuc3BsaXQoKSAjIHdvcmRzID0gWyI1IiwgIjMiXQogICAgYSA9IGludCh3b3Jkc1swXSkgIyBhID0gNQogICAgYiA9IGludCh3b3Jkc1sxXSkgIyBiID0gMwogICAgYW5zd2VyLmFwcGVuZChhIGlmIGEgPCBiIGVsc2UgYikKcHJpbnQoKmFuc3dlcik=