#int a = 10;
a = 10

#int b = 1;
b = 1
# while (a>0) {
while a > 0:
	#b = b*2;
	b = b*2
	#a = a-b;
	a = a-b
#}

#System.out.println("a=" + a);
print("a=", a)

#System.out.println("b=" + b);
print("b=", b)