//没有AC 只通过了1个数据但是形式貌似是对的

#include<bits/stdc++.h>

using namespace std;

const int N = 105;
int a[N];
int n;

int main()
{
    cin >> n;
    for(int i = 1 ; i <= n + 1 ; i ++) scanf("%d",&a[i]);
    int flag = 1;
    for(int i = 1 ; i <= n + 1 ; i ++)
    {
        if(flag == 1 && a[i] > 0 && i != n + 1)
        {
            printf("%dx^",a[i]);
            printf("%d",n + 1 - i);
            flag = 0;
        }
        else if(flag == 1 && a[i] < 0 && i != n + 1)
        {
            printf("-%dx^",-1*a[i]);
            printf("%d",n + 1 - i);
            flag = 0;
        }
        else if(flag == 0 && a[i] < 0 && i != n + 1)
        {
            printf("-");
            printf("%dx^",-1*a[i]);
            printf("%d",n + 1 - i);
        }
        else if(flag == 0 && a[i] > 0 && i != n + 1)
        {
            printf("+%dx^",a[i]);
            printf("%d",n + 1 - i);
        }
        if(i == n + 1 && a[i] > 0) printf("+%d",a[i]),flag = 0;
        else if(i == n + 1 && a[i] < 0) printf("-%d",-1 * a[i]),flag = 0;
    }

    if(flag == 1) printf("0");
    return 0;
}