#include <stdio.h>
#include <stdlib.h>

#define DEBUG 1

int main ( int argc , char * argv[] ) {

    long long int t;
    scanf("%lld" , &t);
    int i , j;
    for ( i = 1 ; i <= t ; i++ ) {
        long long int n;
        long long int need = 1LL;
        long long int life = 1LL;
        scanf("%lld" , &n);

        for ( j = 0 ; j < n ; j++ ) {
            long long int x;
            scanf("%lld" , &x);

            life += x;
            if ( life <= 0LL ) {

                long long int temp = life;
                temp = temp * -1LL;
                temp = temp + 1LL;

                need += temp;
                life += temp;
            }
        }

        printf("Scenario #%d: %lld\n" , i , need);
    }

    return 0;
}