# 制約チェック
T = int(input())
assert 1 <= T and T <= 100000

for _ in range(T):
    line = list(map(int, input().split()))
    assert len(line) == 2
    H, W = line
    assert 1 <= H and H <= 1_000_000_000
    assert 1 <= W and W <= 1_000_000_000