#include <stdio.h>

int main(void){
	int num = 0 ,ans = 0;
	for(int i = 0 ; i < 5 ; i++){
		scanf("%d",&num);
		if(i%3 == 0 && i%5 == 0){
			ans += 8;
		}else if(i%3 == 0 && i%5 != 0 || i%3 != 0 && i%5 == 0){
			ans += 4;
		}else{
			while(num!=0){
    			num = num / 10;
    			ans++;
			}
		}
	}    

	printf("%d",ans);
}