uva 10684

#include <cstdio>
using namespace std;

int main() {
    int n, i, x[100000];

    while (scanf("%d", &n), n) {
        for (i = 0; i < n; i++) {
            scanf("%d", &x[i]);
        }

        int max = 0, temp = 0;
        for (i = 0; i < n; i++) {
            temp += x[i];
            if (temp > max)
                max = temp;
            if (temp < 0)
                temp = 0;
        }

        if (max > 0)
            printf("The maximum winning streak is %d.\n", max);
        else
            printf("Losing streak.\n");
    }

    return 0;
}