include

using namespace std;

int main()
{

int sheep = 1; // 初始化羊的数量为1 

cout << "一只羊：" << sheep << endl;  

// 迭代4次，每次增加一只羊 
for (int i=0; i<4; i++) {  

    sheep++; // 增加一只羊 

    cout << "再来一只羊：" << sheep << endl;  
}  

cout<<"总共有 "<<sheep<<" 只小羊了。";  

return 0; 

}