easy

For (i=0;i<=10; i++){

for (j=0; j<=10; j++)

{

if (美女请我吃饭){ okay; break;} else {noway;}

}

if (美女跟我打车轮) { nice; break } else {shit;}

}

if (okay) { envelop=1;) elsif (nice) { envelop=2} elsif (noway) {envelop=3;} elsif (shit) {envelop=4;} else {go to lunch;}

go to lunch;

exit 0;