#include<stdio.h>
int main()
{
    int k;
    if(scanf("%d",&k!)=1)
    {
        printf("Invalid input\n");
        return 0;
    }
    if(k<4||k>12)
    {
        printf("Invalid input\n");
        return 0;
    }
    int pulses=[k];
    for(int i=0;i<k;i++)
    {
        if(scanf("%d",&pulses[i])!=1)
        {
            printf("invalid input\n");
            return 0;
        }
    }
    int stored[k],storedcount=0;
    int total=0;
    for(inti=0;i<k;i++)
    {
        if(pulses[i]>total)
        {
            stored[storedcount++]=pulses[i];
            total+=pulses[i];
            if(storedcount==0)
            {
                printf("0\n");
                return 0;
            }
        int max=stored[0],main=stored[0];
        for(int i=1;i<stored count;i++)
            {
                if(stored[i]>max)max=stored[i];
                if(stored[i]<min)min=
            }
        }
    }
}