C语言第九个程序：函数

#include<stdio.h>
int Add(int x, int y)
{
	int z = 0;
	z = x + y;
	return z;
}
int main()
{
	int n1 = 0;
	int n2 = 0;
	scanf_s("%d %d", &n1, &n2);
	int sum = Add(n1, n2);
	printf("%d", sum);
	return 0;
}