#include <stdio.h>
#define MAXLINE 8000
void convert(char line[], char cline[]);
int main()
{
char line[MAXLINE];
char cline[MAXLINE];
char c;
int i=0;
while((c = getchar()) != EOF && i<MAXLINE){
line[i] = c;
i++;
}
line[i] = '\0';
convert(line, cline);
printf("%s", cline);
c = getchar();
return 0;
}
void convert(char from[], char to[]) {
int i, j, k;
j = 0;
int gap;
for (i = 0; i < MAXLINE && from[i] != '\0'; i++) {
if (from[i] == '-') {
gap = from[i + 1] - from[i - 1];
if (48 <= from[i - 1] <= 57 && 48 <= from[i + 1] <= 57) {
if(from[i+1] > from[i-1]){
for(k=1; k<=gap; k++){
to[j] = from[i-1]+k;
j++;
}
i++;
}
else if(from[i+1] = from[i-1]){
i++;
}
else if(from[i+1] < from[i-1]){
to[j] = '-';
i++;
j++;
to[j] = from[i];
j++;
}
}
else if (65 <= from[i - 1] <= 90 && 65 <= from[i + 1] <= 90) {
if(from[i+1] > from[i-1]){
for(k=1; k<=gap; k++){
to[j] = from[i-1]+k;
j++;
}
i++;
}
else if(from[i+1] = from[i-1]){
i++;
}
else if(from[i+1] < from[i-1]){
to[j] = '-';
i++;
j++;
to[j] = from[i];
j++;
}
}
else if (97 <= from[i - 1] <= 122 && 97 <= from[i + 1] <= 122) {
if(from[i+1] > from[i-1]){
for(k=1; k<=gap; k++){
to[j] = from[i-1]+k;
j++;
}
i++;
}
else if(from[i+1] = from[i-1]){
i++;
}
else if(from[i+1] < from[i-1]){
to[j] = '-';
i++;
j++;
to[j] = from[i];
j++;
}
}
else {
to[j] = '-';
i++;
j++;
to[j] = from[i];
j++;
}
}
else{
to[j] = from[i];
j++;
}
}
to[j] = '\0';
}