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#import <Foundation/Foundation.h>

@interface myClass : NSObject
{
@public
    int age;
    int height;
}
@end

@implementation myClass
@end

int main(int argc, const char * argv[])
{
 @autoreleasepool {
     myClass *personA = [[myClass alloc] init];
     myClass *personB = [[myClass alloc] init];
     
     personA->age = 5;
     personA->height = 150;
     
     personB->age = 10;
     personB->height = 180;
     
     NSLog(@"personA=[%d][%d]",personA->age,personA->height);
     NSLog(@"personB=[%d][%d]",personB->age,personB->height);
     
 }
 return 0;
}