#include <stdio.h>

int main() {
    int n,num;
    int sum=0;
    scanf("%d %d",&n,&num);
    int max=0;
    int num_list[n];
    for (int i=0; i<n; i++) {
        scanf("%d",&num_list[i]);
    }
    for(int i=0; i<n-2; i++) {
        for (int j=i+1; j<n-1; j++) {
            for (int k=j+1; k<n; k++) {
                sum=num_list[i]+num_list[j]+num_list[k];
                if (sum>num) continue;
                if(max<=sum) max=sum;
            }
        }
    }
    printf("%d",max);
    return 0;
}

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