CPrimplus例子运行问题

#include
int main(void)
{
int dogs; int i=0;
printf("How many dogs do you have?\n");
scanf_s("%d", &dogs);
printf("So you have %d dog(s)!\n", dogs);
return 0;

}

编译运行环境：VS2017

问题：输入dogs的之后，程序不打印输出，闪退