PROGRAMMING:solve equations???
We all know that you are a mathematical genius, so here you are a, B, C, please use the program to calculate whether there is a positive integer x, y less than 50, satisfying ax + by = C
###Input format:
Enter three numbers a, B, C separated by spaces
###Output format:
If it exists, then output x + y, otherwise output a + B + C
###Input example:
```in
2 2 4
```
###Output example:
```out
two
```
answer：If there is no answer, please comment
###Input format:
Enter three numbers a, B, C separated by spaces
###Output format:
If it exists, then output x + y, otherwise output a + B + C
###Input example:
```in
2 2 4
```
###Output example:
```out
two
```
answer：If there is no answer, please comment