#import <Foundation/Foundation.h>

@class MyNum;
@class MyFloat;
@class MyInt;

@interface MyNum : NSObject
- (id)initWithFloat:(float)value;
- (id)initWithInt:(int)value;
- (void)print;
@end

@interface MyFloat : MyNum
@property float value;
- (id)initWithFloat:(float)value;
@end

@interface MyInt : MyNum
@property int value;
- (id)initWithInt:(int)value;
@end

@implementation MyInt
@synthesize value = _value;
- (id)initWithInt:(int)value {
    if ((self = [super init]))
    {
        self.value = value;
    }
    return self;
}
- (void)print {
    NSLog(@"%d",self.value);
}
@end

@implementation MyFloat
@synthesize value = _value;
- (id)initWithFloat:(float)value {
    if ((self = [super init]))
    {
        self.value = value;
    }
    return self;
}
- (void)print {
    NSLog(@"%f",self.value);
}
@end

@implementation MyNum

- (id)initWithFloat:(float)value {
    return [[MyFloat alloc] initWithFloat:value];
}
- (id)initWithInt:(int)value {
    return [[MyInt alloc] initWithInt:value];
}
- (void)print {
    [self doesNotRecognizeSelector:_cmd];
}
@end

int main (int argc, const char * argv[])
{
    @autoreleasepool {
        for (int i = 0; i < 10000; i++) {
//          Test 1
            MyNum *floatValue = [[MyNum alloc] initWithFloat:32.0];
            MyNum *intValue = [[MyNum alloc] initWithInt:32];
//          Test 2
//            MyFloat *floatValue = [[MyFloat alloc] initWithFloat:32.0];
//            MyInt *intValue = [[MyInt alloc] initWithInt:32];
            [floatValue print];
            [intValue print];
        }
    }
    return 0;
}