// test while-if
int whileIf() {
int a;
a = 0;
int b;
b = 0;
while (a < 100) {
if (a == 5) {
b = 25;
}
else if (a == 10) {
b = 42;
else {
b = a * 2;
a = a + 1;
return (b);
int main(){
return (whileIf());