#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <math.h>
int swap(const void* a, const void* b);
int main(void)
{
    int num,weight,maxweight=0,max=0;
    scanf("%d %d",&num,&weight);
    int weightlist[1000]={0};
    for(int i=0;i<num;i++)
    {
        scanf("%d",&weightlist[i]);
        if(weightlist[i]<weight)
        {
            maxweight=weightlist[i];
        }
        max+=weightlist[i];
    }
    qsort(weightlist, num, sizeof(int), swap);
    for(int i=0;i<num-1;i++)
    {   
        int val = weightlist[i];
        for(int j=i+1;j<num;j++)
        {
            if(val+weightlist[j]<=weight)
            {
                maxweight=val+weightlist[j];
            }
        }
    }
    printf("%d",maxweight);
}
int swap(const void* a, const void* b)
{
	return *(int*)a - *(int*)b;
}