#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;
}

#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(tu4+ji2==jiao){ cout<<"鸡："<<ji<<' '<<"兔："<<tu; break; } } return 0; }