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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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int a, b, c, d, e, f;
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cin >> a >> b >> c >> d;
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e = c - a;
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if (d - b < 0) {
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e--;
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d += 60;
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f = d - b;
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}
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cout << e << " " << f << endl;
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return 0;
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}
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