3차 4번

#include <stdio.h>

int main()

{

int k, m, g;

printf("입력 <Gigabyte> : ");

scanf("%d", &g);

m=g*1024;

k=m*1024;

printf("%dGigabyte = %d Megabyte = %dkillobyte", g, m, k);

return 0;

}