#include <stdio.h>

int main(void) {
    int i,num[5],sum=0,tmp;
    for (i = 0; i < 5; i++) {
        scanf("%d",&num[i]);
        if(num[i]%3 == 0 && num[i]%5 ==0) sum += 8;
        else if(num[i]%3 == 0 || num[i]%5 == 0) sum += 4;
        else {
            tmp = num[i];
            for(;;){
                sum += 1;
                tmp /= 10;
                if(tmp == 0) break;
            }
        }
    }
    printf("%d\n", sum);
    return 0;
}