POJ 2498

 #include<iostream>
 using namespace std;
 #include<string>
 #include<stdio.h>
 int main()
 {
     //freopen("1.txt","r",stdin);
     int i;
     int num;
     int a[] = { , ,};
     string s ;
     cin>>num;
     int k=;
     while(num--){
     k++;
     cin>>s;
     int len;
     int mark;
     len = s.length();
     int sum = ;
     for(i = ; i <len ; i++)
         if(s[len -  - i] != '?')
             sum += a[(i)%]*(s[len--i] - '');
         else
             mark = len -  - i;
     i = ;
     //cout<<mark<<endl;
     while(sum++% !=  || i%a[(len--mark)%]!= )
     {
         i++;
     };

     cout<<"Scenario #"<<k<<":"<<endl;
     //i+=20;
     //cout<<i<<endl;
 //    cout<<mark<<endl;
     for(int j = ; j < len;j ++)
     {

         if(j != mark)
             cout<<s[j];
         else
             cout<<i/a[(len--mark)%];
     }
     cout<<endl<<endl;
 //    cout<<a[(len-1-mark)%3]<<"00000000000"<<endl;
     //cout<<i/a[i%3]<<endl;
     }

 }