@interface question

#import <Foundation/Foundation.h>

@interface XYPoint : NSObject
-(void) setX: (int) x;
-(void) setY: (int) y;
-(int) valueX;
-(int) valueY;

@end

@implementation XYPoint
{
    int valueX;
    int valueY;
}

-(void) setX: (int) x
{
    valueX = x;
}

-(void) setY: (int) y
{
    valueY = y;
}

-(int) valueX
{
    return valueX;
}

-(int) valueY
{
    return valueY;
}

@end

int main(int argc, const char * argv[])
{

    @autoreleasepool {

        XYPoint *newPoint = [XYPoint new];

        [newPoint setX: 1];
        [newPoint setY: 3];

        NSLog(@"The coordinates are (%i,%i)", [newPoint valueX], [newPoint valueY]);

    }
    return 0;
}