#include <iostream>
using namespace std;
const int NUMBER=10;//M个人
const int S=3;//第N个出去
void main()
{
int arr[NUMBER];
int count=0;
int flag=0;
for (int i=0; i<NUMBER; i++)
{
arr[i] = 1;
}
while (true)
{
for(int j=0; j<NUMBER; j++)
{
if (arr[j]==1)
{
flag++;
}
if ((flag%3==0)&& (flag!=0))
{
arr[j] = 0;
flag = 0;
count++;
}
}
if (count==NUMBER-1)
break;
}
for (int k=0; k<NUMBER; k++)
{
if (arr[k]==1)
cout<<"the last one is:"<<k+1<<endl;
}
}