Challenge Solution in Objective-C

Objective-C Programming (2nd Edition) 38. Bitwise Operations
1 
int main(int argc, const char * argv[]) {
@autoreleasepool {
    unsigned long num = 1;
    int counter = 1;
    while(counter <= 64){
        num = num << 1;
        if(counter % 2 == 0){
            num += 1;
        }
        counter ++;
    }
    NSLog(@"The number is %lu", num);
}
return 0;

}