题解 | 开学？

#include <stdio.h>

#include<stdio.h>
int main()
{
	int week = 0; 
	int day = 0; 
	scanf("%d %d", &week, &day); 
	int ret =((week + day) % 7);
	if (ret == 0)
		ret = 7; 
	printf("%d\n", ret); 

	return 0; 
}