#include <cstdio>
#include <iostream>
using namespace std;
const int N = 405;
double f(int val){
    if(val >= 95) return 4.3;
    if(val >= 90) return 4.0;
    if(val >= 85) return 3.7;
    if(val >= 80) return 3.0;
    if(val >= 75) return 2.7;
    if(val >= 67) return 2.3;
    if(val >= 65) return 2.0;
    if(val >= 62) return 1.7;
    if(val >= 60) return 1.0;
    return 0;            
}
double ans = 0;
void dfs(int dep,int val,double sum){
    if(dep >= 4||val < 60) ans = max(ans,sum);
    if(val >= 95) dfs(dep+1,val - 95,sum + 4.3);
    if(val >= 90) dfs(dep+1,val - 90,sum + 4.0);
    if(val >= 85) dfs(dep+1,val - 85,sum + 3.7);
    if(val >= 80) dfs(dep+1,val - 80,sum + 3.3);
    if(val >= 75) dfs(dep+1,val - 75,sum + 3.0);
    if(val >= 70) dfs(dep+1,val - 70,sum + 2.7);
    if(val >= 67) dfs(dep+1,val - 67,sum + 2.3);
    if(val >= 65) dfs(dep+1,val - 65,sum + 2.0);
    if(val >= 62) dfs(dep+1,val - 62,sum + 1.7);
    if(val >= 60) dfs(dep+1,val - 60,sum + 1.0);
}
int main(){
    int t;scanf("%d",&t);
    while(t--){
        ans = 0;
        int m;scanf("%d",&m);
        dfs(0,m,0);
        printf("%.1f\n",ans);
    }
    return 0;
}