#include <stdio.h>

int main()
{
	int a = 0;
	int b = 0;
	printf("请输入两个整数： ");
	scanf_s("%d %d", &a, &b);
	printf("交换前，a = %d，b = %d\n", a, b);
	int c = a;
	a = b;
	b = c;
	printf("交换后，a = %d，b = %d\n", a, b);

	system("pause");
	return 0;
}