LuckyNumbers

#include <iostream>
#include <string>
using namespace std;

int main()
{
    int i, j, x, dolz, l, temp;
    string str;
    cin >> dolz >> str;

    for(i=0; i<dolz; i++)
    {
        temp = 1;
        if(str[i]-'0' == 2 or str[i]=='?')
            for(j=0, l=i+1; j<1 and l<dolz; j++, l++)
                if(str[l]-'0'==2 or str[l]=='?')temp++;
        if(temp == 2){ cout << "cool"; return 0; }

        temp = 1;
        if(str[i]-'0' == 3 or str[i]=='?')
            for(j=0, l=i+1; j<2 and l<dolz; j++, l++)
                if(str[l]-'0'==3 or str[l]=='?')temp++;
        if(temp == 3){ cout << "cool"; return 0; }

        temp = 1;
        if(str[i]-'0' == 5 or str[i]=='?')
            for(j=0, l=i+1; j<4 and l<dolz; j++, l++)
                if(str[l]-'0'==5 or str[l]=='?')temp++;
        if(temp == 5){ cout << "cool"; return 0; }

        temp = 1;
        if(str[i]-'0' == 7 or str[i]=='?')
            for(j=0, l=i+1; j<6 and l<dolz; j++, l++)
                if(str[l]-'0'==7 or str[l]=='?')temp++;
        if(temp == 7){ cout << "cool"; return 0; }
    }
    cout << "boring";
    return 0;
}