#include <bits/stdc++.h>
int main() {
    int n; scanf("%d", &n);
    int campo[n+2];
    campo[0]=0;
    campo[n+1]=0;
    for(int i = 1; i <= n; i++){
        scanf("%d", &campo[i]);
    }
    for(int i = 1; i <= n; i++){
        printf("%d\n", campo[i-1]+campo[i]+campo[i+1]);
    }
}