120%AC

printf("%%");//输出%

#include<cstdio>
int main(){
    int n,age[100];double out[4]={0.0};
    scanf("%d\n",&n);
    for(int i;i<n;i++)scanf("%d ",&age[i]);
    for(int i;i<n;i++){
        if(age[i]<=18)out[0]+=1./n;
        else if(age[i]<=35)out[1]+=1./n;
        else if(age[i]<=60)out[2]+=1./n;
        else out[3]+=1./n;
    }for(int i;i<4;i++)printf("%.2lf%%\n",out[i]*100);
}