/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
System.
out.
println(getHashValue
("luck")); }
public static int getHashValue
(String s
){ long hash = 0;
for (int i = s.length() - 1; i >= 0; --i){
hash = (((hash * 263 + (int)s.charAt(i)) % 1000000007) + 1000000007) % 1000000007;}
return (int)hash % 5;
}
}
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