C语言：用函数写出两个数的和

#include <stdio.h>
int Add(int x, int y)
{
	int z = 0;
	z = x + y;
	return z;
}

int main()
{
	int a = 0;
	int b = 0;
	printf("请输入两个数字：");
	scanf_s("%d%d", &a, &b);
	int sum = Add(a, b);
	printf("sum=%d", sum);
	return 0;
}