24 lines
451 B
C++
24 lines
451 B
C++
// Coin Piles
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#include<bits/stdc++.h>
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using namespace std;
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using ll = long long;
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int main() {
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int t; cin >> t;
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for (int T{}; T < t; T++) {
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ll a, b; cin >> a >> b;
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if (a < b) swap(a, b);
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if ((a + b) % 3 != 0) {
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cout << "NO" << endl;
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continue;
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} else if (a > 2*b) {
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cout << "NO" << endl;
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continue;
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}
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cout << "YES" << endl;
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}
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return 0;
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}
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