#include <bits/stdc++.h>

int main() {
    int n; scanf("%D", &n);
    int campo[n+2];
    campo[0] = 0;
    campo[n+1] = 0;
    for(int k = 1; k <= n; k++){
        scanf("%d", &campo[k]);
    }
    for(int k = 1; k <= n; k++){
        printf("%d\n", campo[k-1]+campo[k]+campo[k+1]);
    }
    return 0;
}