#include <stdio.h>
using namespace std;
int main() {
int i, a[10], sum=0, sum1=0;
for(i=0;i<10;i++){
scanf("%d", &a[i]);
if(i%2==0) sum+=a[i];
else sum1+=a[i];
}printf("odd : %d\neven : %d", sum, sum1);
return 0;
}
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