#include<bits/stdc++.h> using namespace std; int main(){ double n,a,b=0,c=0,i; cin>>n; for(i=1;i<=n;i++){ cin>>a; if(a<=60){ b+=100/7.0; }else{ c+=100/7.0; } } if(b*10%10<=4){ cout<<estprecision(1)<<fixed<<b<<"%"; }else{ cout<<setprecision(1)<<fixed<<b+1<<"%"; } if(c*10%10<=4){ cout<<estprecision(1)<<fixed<<c<<"%"; }else{ cout<<setprecision(1)<<fixed<<c+1<<"%"; } }