30 lines
511 B
C++
30 lines
511 B
C++
#include<iostream>
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#include<cstdio>
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using namespace std;
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int main()
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{
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__int64 num;
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int k = 0;
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int sum;
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int yu;
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while(scanf("%I64d", &num) != EOF)
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{
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if(k)
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cout << endl;
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else
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k = 1;
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sum = 0;
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while(num)
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{
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yu = num % 10;
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if(!(yu % 2))
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{
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sum += yu;
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}
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num /= 10;
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}
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cout << sum << endl;
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}
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return 0;
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}
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