sem6_1

#include <stdio.h>
#define SWAP(type, a, b) {type tmp = a; a = b; b=tmp;}
int main()
{
 int a, b;
 char x, y;
 scanf("%d %d %c %c", &a, &b, &x, &y);
 SWAP(int, a, b);
 SWAP(char, x, y);
 printf("%d %d\n%c %c", a, b,  x, y);
 return 0;
}