#include<stdio.h>

int main()
{
    int m,att,enemy;
    scanf("%d",&m);
    scanf("%d",&att);
    for(int i=0;i<m;++i)
    {
        scanf("%d",&enemy);
        if(att>enemy)
        {
            att+=enemy;
        }
        else
        {
            break;
        }
    }
    printf("%d\n",att);
}