While Loop Simulation
for Each Call Below to the Following

While Loop Simulation
For each call below to the following method, write the value that is returned:
public static int mystery(int x) {
int a = 1;
int c = 0;
while (x > 0) {
a = x % 2;
if (a == 1) {
c++;
}
x = x / 2;
}
return c;
}
$\begin{array}{l}\underline{ \text { Method Call } }& \underline{ \text { Value Returned }} \\\text { mystery }(2) ; & \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \\\text { mystery }(-1) ; & \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }}\\\text { mystery }(7) ; & \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }}\\\text { mystery }(18) ; & \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \\\text { mystery }(43) ; & \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \underline{ \text { }} \end{array}$