#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a=0; double s1=0,s2=0,s3=0,s4=0; double n=0; cin>>n; for(int i=1;i<=n;i++){ cin>>a; if(a<19) s1+=1; else if(a<36) s2+=1; else if(a<61) s3+=1; else s4+=1; } n+=0.0; s1=s1/n*100; s2=s2/n*100; s3=s3/n*100; s4=s4/n*100; printf("%.2lf%%\n%.2lf%%\n%.2lf%%\n%.2lf%%",s1,s2,s3,s4); return 0; }