33 lines
715 B
C++
33 lines
715 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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char isbn[13];
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for (int i = 0; i < 13; i++) {
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cin >> isbn[i];
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}
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//前9位
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int sum = 0; //1,5,11跳过
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int _count = 0;
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for (int i = 0; i < 12; i++) {
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if (i == 1 || i == 5 || i == 11) {
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_count++;
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continue;
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}
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sum += (isbn[i] - '0') * (i + 1 - _count);
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}
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if (sum % 11 == 10 && isbn[12] == 'X') cout << "Right" << endl;
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else if (sum % 11 == isbn[12] - '0') cout << "Right" << endl;
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else {
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for (int i = 0; i < 12; i++) {
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cout << isbn[i];
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}
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cout << sum % 11 << endl;
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};
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return 0;
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}
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