pat 1027

#include<stdio.h>#include<stdlib.h>#include<vector>#include<iostream>using namespace std;void change(int x){    vector<int> v;    if(x==0) v.push_back(0);    while(x){        v.push_back(x%13);        x=x/13;    }    if(v.size()==1){        cout<<0;        if(v[0]==10)            cout<<"A";        else if(v[0]==11)            cout<<"B";        else if(v[0]==12)            cout<<"C";        else            cout<<v[0];    }else{        for(int i=v.size()-1;i>=0;i--){            if(v[i]==10)                cout<<"A";            else if(v[i]==11)                cout<<"B";             else if(v[i]==12)                cout<<"C";            else                cout<<v[i];        }    }}int main(){    int a,b,c;    scanf("%d%d%d",&a,&b,&c);    cout<<"#";    change(a);    change(b);    change(c);    //system("pause");    return 0;}