#include <cstdio>

using namespace std;

int main(){
    int n,x,count1=0,count2=0; 
    scanf("%d",&n);
    while(n--){
        scanf("%d",&x);
        if(x>=10&&x<=20)
            count1++;
        else
            count2++;
    }
    printf("%d in\n%d out",count1,count2);
    return 0;
}