两位数十进制算法，为了练习C，弄着玩的

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
	int a = 0;
	int b = 0;
	int sum = 0;
	scanf("%d %d", &a, &b);
	sum = a + b;
	printf("sum=%d\n", sum);
}