#include <cstdio>
#include <algorithm>

using namespace std;

int h[1000005]={};

int main()
{
    int n,m;
    scanf("%d %d",&n,&m);

    int mth=0;
    for(int i=0; i<n; i++)
    {
        scanf("%d",&h[i]);
        if(mth<h[i])
            mth=h[i];
    }

    int mch=0;
    for(int i=1; i<mth; i++)
    {
        long long cts=0;
        for(int j=0; j<n; j++)
        {
            if(h[j]>i)
                cts+=h[j]-i;
        }
        if(cts<m)
            break;
        mch=i;
    }
    printf("%d",mch);
}

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