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#include <bits/stdc++.h>
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using namespace std;
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int main() {
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//小红a，小明b
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for (int a = 1; a <= 100; a++)
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for (int b = 1; b <= 100; b++) {
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if (2 * (b - (a - b)) == a && a + (a - b) == 2 * b - 9) {
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cout << a << " " << b << endl;
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break;
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}
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}
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return 0;
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}
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