/* 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 void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		int a = 0;
		if (a >=0) {
			int b = 1;
			if(b >= 0) {
				b = b + 1;
				int c = b;
				System.out.println("c=" + c);
				b = b - 1;
			}
			System.out.println("b=" + b);
		}
		System.out.println("a=" + a);
	}
}

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