©TCP-tryC

#include <stdio.h>
#define SUB(X,Y) X-Y
#define PRT(X) printf("계산 결과는 %d입니다.\n", X)

int main(void)
{
	int result;
	int num_01 = 15, num_02 = 7;
	
	result = SUB(num_01, num_02);
	PRT(result);
	return 0;
}