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@@ -0,0 +1,24 @@
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+#include<bits/stdc++.h>
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+
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+using namespace std;
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+
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+int main() {
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+ string a, b;
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+ cin >> a >> b;
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+ reverse(a.begin(), a.end());
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+ reverse(b.begin(), b.end());
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+ int n = max(a.size(), b.size());
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+ while (a.size() < n)a.push_back('0');
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+ while (b.size() < n)b.push_back('0');
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+ string c(n, '0');
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+ int sc = 0;
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+ for (int i = 0; i < n; i++) {
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+ int temp = sc + a[i] - '0' + b[i] - '0';
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+ sc = temp / 10;
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+ c[i] = '0' + temp % 10;
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+ }
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+ if (sc)c.push_back(sc + '0');
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+ reverse(c.begin(), c.end());
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+ cout << c << endl;
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+ return 0;
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+}
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