class ArrayInit{
public static void main(String args[]){
	  int a[][]={{12,34},{-5},{3,5,7}};
	  int i,j;
	  System.out.println("άaĳΪ"+a.length);
	  for(i=0;i<a.length;i++){
	        System.out.println("a["+i+"]ĳΪ"+a[i].length);
	        for(j=0;j<a[i].length;j++)
	                System.out.print("a["+i+"]["+j+"]="+a[i][j]+"\t");
		System.out.println();
	   }
}
}