#import <Foundation/Foundation.h>
int main(int argc, const char * argv[]) {
    double arr[] = {12,13,14.5};
    int i;
    double sum = 0;
    for (i = 0; i < 3; i++) {
        sum += arr[i];
    }

    @autoreleasepool {
         NSLog(@"%lf\n",sum);
    }
     return 0;
}