/* 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
{
    public static int gcd(int n, int m) 
    {
    	if (m > n) return gcd(m,n);
    	if (m==0) return n;
    	return gcd(m,n%m);
    }
 
    public static boolean isVprime(int m, int n)
    {
    	return (gcd(n,m)==1);
    }
 
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(isVprime(12,16));
		System.out.println(isVprime(3,7));
	}
}

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