#include<stdio.h> int main() { int n,age; int a,b,c,d,i; //freopen("5.in","r",stdin); scanf("%d",&n); a=0; b=0; c=0; d=0; for(i=0;i<n;i++) { scanf("%d",&age); if(age>60) d++; else if(age>=36) c++; else if(age>=19) b++; else a++; } printf("1-18: %.2lf%%\n",a*100.0/n); printf("19-35: %.2lf%%\n",b*100.0/n); printf("36-60: %.2lf%%\n",c*100.0/n); printf("60-: %.2lf%%\n",d*100.0/n); return 0; }