#include<bits/stdc++.h>
using namespace std;
char i [1000];
char b [1000];
int a;
int main(){
	cout << "Microsoft Windows [版本 10.0.19045.4780]\n";
	cout <<"(c) Microsoft Corporation。保留所有权利。\n";
	cout <<"\n";
	cout <<"C:\\Users\\gary>";
	for(;;){
		cin >>i;
		if(strcmp(i,"run")==0){
			cout <<"\n";
			cout <<"C:\\Users\\gary>what?\n";
			cout <<"C:\\Users\\gary>";
			cin >>b;
			if(strcmp(b,"/1/")==0){
				srand(time(NULL));
				for(int i=0;i<=100;i++){
					a= rand() % 100;
					cout <<a<<"\n";
				}
			}else if(strcmp(b,"win32")==0){
				for(int i=0;i<=50;i++){
					a= rand() % 250;
					cout <<(char)a<<"\n";
				}
			}else{
				cout <<"'"<<b<<"' 不是内部或外部命令。\n";
			}

		}else if(strcmp(i,"leave")==0){
			cout <<"C:\\Users\\gary>leave?\n";
			cout <<"C:\\Users\\gary>";
			char x [10];
			cin >>x;
			if(strcmp(x,"yes")==0){
				cout <<"C:\\Users\\gary>OK";
				_sleep[2*1000];
				break;
			}
		}else if(strcmp(i,"cmd")==0){
			cout << "Microsoft Windows [版本 10.0.19045.4780]\n";
			cout <<"(c) Microsoft Corporation。保留所有权利。\n";
			cout <<"\n";
		}else{
			cout <<"'"<<i<<"' 不是内部或外部命令，也不是可运行的程序\n";
			cout <<"或批处理文件。\n";
		}
		cout <<"C:\\Users\\gary>";
	}
	return 0;
}