#include <stdio.h>
#include <stdlib.h>

enum
{
    EMPTY_STRING = 0x0bad1dea,
    WRONG_FORMAT = 0xbedabeda,
    NEG = -1,
    BASE = 10
};

char*
getline2(FILE *inpt);

int
main(void)
{
    char *strt_string;
    int cnt_string = 0;
    while ((strt_string = getline2(stdin)) != NULL) {
        ++cnt_string;
        char *it = strt_string;
        while(isspace(*it)) {
            ++it;
        }
        if (*it == 0) {
            printf("%d\n", EMPTY_STRING + cnt_string);
        }
        else {
            _Bool wrong_string = 0;
            _Bool was_sign = 0;
            int cnt_number = 1;
            int sgn = 1;
            int sum = 0;
            while (*it != 0) {
                if (isspace(*it)) {
                    if (was_sign) {
                        printf("%d\n", WRONG_FORMAT + cnt_string);
                        wrong_string = 1;
                        break;
                    }
                    ++it;
                    was_sign = 0;
                    continue;
                }
                if ((*it < '0' || '9' < *it) && (*it != '+') && (*it != '-')) {
                    printf("%d\n", WRONG_FORMAT + cnt_string);
                    wrong_string = 1;
                    break;
                }
                if ((*it == '+' || *it == '-') && was_sign) {
                    printf("%d\n", WRONG_FORMAT + cnt_string);
                    wrong_string = 1;
                    break;
                }
                if (*it == '+') {
                    was_sign = 1;
                    sgn = 1;
                }
                if (*it == '-'){
                    was_sign = 1;
                    sgn = NEG;
                }
                if ('0' <= *it && *it <= '9') {
                    char *end;
                    int curr = strtol(it, &end, BASE);
                    if (curr != strtoll(it, &end, BASE)) {
                        sum += sgn * cnt_number;
                        sgn = 1;
                        ++cnt_number;
                        was_sign = 0;
                    } else {
                        sum += curr;
                    }
                    it = end - 1;
                }
                ++it;
            }
            if (!wrong_string) {
                printf("%d\n", sum);
            }
        }
    }

    return 0;
}