#include <iostream>
#include <string>
#include <sstream>
using namespace std;
int main()
{
int ptr;
bool flag = false;
string temp = "0000000000000000000000000000000000000000000000000";
for(ptr=0;ptr<temp.length();ptr++){
if(temp[ptr]!='0')
flag=true;
}
if(!flag)
cout<<"error" <<endl;
else
cout<<"Normal" <<endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8c3RyaW5nPgojaW5jbHVkZSA8c3N0cmVhbT4KdXNpbmcgbmFtZXNwYWNlIHN0ZDsKCmludCBtYWluKCkKewogICAKICAgaW50IHB0cjsKICAgYm9vbCBmbGFnID0gZmFsc2U7CiAgIHN0cmluZyB0ZW1wID0gIjAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAiOwogICBmb3IocHRyPTA7cHRyPHRlbXAubGVuZ3RoKCk7cHRyKyspewogICAJaWYodGVtcFtwdHJdIT0nMCcpCiAgIAkJZmxhZz10cnVlOwogICB9CiAgIGlmKCFmbGFnKQoJCWNvdXQ8PCJlcnJvciIgPDxlbmRsOwogICBlbHNlCgkJY291dDw8Ik5vcm1hbCIgPDxlbmRsOwogICByZXR1cm4gMDsKfQ==