#include <iostream>
using namespace std;
int main() {
int n;
cout << "enter n:"<< endl;
cin >>n;
if (n>=10 && n<=99 && n%2==0)
cout <<"yeas"<<endl;
else
cout <<"no"<<endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CiAgICBpbnQgbjsKICAgIAogICAgY291dCA8PCAiZW50ZXIgbjoiPDwgZW5kbDsKICAgIGNpbiA+Pm47CiAgICAKICAgIGlmIChuPj0xMCAmJiBuPD05OSAmJiBuJTI9PTApCiAgICAgIGNvdXQgPDwieWVhcyI8PGVuZGw7CiAgICBlbHNlCiAgICAgIGNvdXQgPDwibm8iPDxlbmRsOwoKCXJldHVybiAwOwp9