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#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <algds/str.h>
#include <algds/vec.h>
void getlines(StringVector *lines) {
while (1) {
char *line = fgetline(stdin);
if (line == NULL) {
break;
}
char *nline = str_strip(line);
free(line);
StringVector_push_back(lines, nline);
}
}
void find_max_impl(const char *line, int len, int64_t *max, int d, int pos, int64_t res) {
if (d >= 12) {
if (res > *max) {
*max = res;
}
return;
}
int curmax = -1;
IntVector maxidx;
IntVector_init(&maxidx);
for (int i = pos + 1; i < len - (11-d); i++) {
int n = line[i] - '0';
if (n > curmax) {
IntVector_free(&maxidx);
IntVector_init(&maxidx);
curmax = n;
IntVector_push_back(&maxidx, i);
} else if (n == curmax) {
IntVector_push_back(&maxidx, i);
}
}
Int *it = IntVector_begin(&maxidx);
for (; it < IntVector_end(&maxidx); it++) {
int i = *it;
find_max_impl(line, len, max, d + 1, i, res * 10 + curmax);
}
IntVector_free(&maxidx);
}
int64_t find_max(const char *line) {
int64_t len = strlen(line);
int64_t max = 0;
find_max_impl(line, len, &max, 0, -1, 0);
return max;
}
int main() {
StringVector lines;
StringVector_init(&lines);
getlines(&lines);
String *it = StringVector_begin(&lines);
int64_t sum = 0;
for (; it != StringVector_end(&lines); it++) {
sum += find_max(*it);
free((void*)*it);
}
StringVector_free(&lines);
printf("%"PRId64"\n", sum);
return 0;
}
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