#include <stdio.h>
#include <ctype.h>
#include <string.h>

int main(int argc, const char * argv[]) {

    if(argc < 3) {
        printf("Vlezna  datoteka i izlezna treba da se vnesat kako argument\n");
        return 0;
    }
    FILE *in = fopen(argv[1], "r");
    FILE * out = fopen(argv[2], "w");

    if(in == NULL) {
        printf("Fajlot ne postoi\n");
        return 0;
    }
    if(out == NULL) {
        printf("Fajlot ne postoin\n");
        return 0;
    }
    char s[1000];
    int a, b, c;
    int brojac = 0;
    while(fscanf(in, "%s%d%d%d", s, &a, &b, &c) != EOF) {
        int prosek = (a + b + c) / 3;
        if(prosek < 10) {
            fprintf(out, "%s %d\n", s, prosek);
            brojac++;
        }
    }
    fprintf(out, "%d\n", brojac);
    
    return 0;
}