/* 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
{
 
	private static int countTrue(boolean... x) {
		int count = 0;
		for (boolean b : x) {
			if (b) {
				count++;
			}
		}
		return count;
	}
 
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(countTrue(true, false, false, true, true, false));
	}
}

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