#import <Foundation/Foundation.h>

@interface Utlis : NSObject
- (NSString *)giveSummFromX:(int)x andY:(int)y;
@end

@implementation Utlis
- (NSString *)giveSummFromX:(int)x andY:(int)y{
    return [NSString stringWithFormat:@"%d", x + y];
}
@end

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        int a, b;
        
        scanf("%d %d", &a, &b);
        Utlis *util = [[Utlis alloc]init];
        
        printf("%s", [[util giveSummFromX:a andY:b] UTF8String]);

    }
    return 0;
}