1027. Colors in Mars

#include<iostream>using namespace std;void pr(int c){  switch(c){  case 10:cout<<"A";break;  case 11:cout<<"B";break;  case 12:cout<<"C";break;  default:cout<<c;}}int main(){  cout<<'#';  for(int k,i=0;i<3;++i){cin>>k; pr(k/13); pr(k%13);}}