Grading Problem

/* Problem Link : https://www.hackerrank.com/challenges/grading/problem */
import java.io.*;
class Sol
{
    public static void main(String args[])throws IOException
    {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        int n=Integer.parseInt(br.readLine());
        int[] grades=new int[n];
         int[] g=new int[n];
        int t,k;
        for(int i=0;i<n;i++)
        {
            grades[i]=Integer.parseInt(br.readLine());
            k=(grades[i])/5;
            t=5*(k+1);
            if(grades[i]>37)
            {
                if((t-grades[i])<3)
                    g[i]=t;
                else
                    g[i]=grades[i];
            }
            if(grades[i]<=37)
                g[i]=grades[i];
            System.out.print(""+g[i]);
            System.out.println("");
        }
    }
}