#include<bits/stdc++.h>
using namespace std;
int main(){
  int tou=35,jiao=94,ji,tu;
  for(ji=1;ji<=tou;ji++){
    tu=tou-ji;
    if(tu*4+ji*2==jiao){
       cout<<"鸡："<<ji<<' '<<"兔："<<tu;
       break;
	  }
  }
  return 0;
}