PROGRAMMING:sum of columns
Input a 4*3 table, calculate the sum of each column.
### Inut:
12 integers in 4*3 tabel
### Output:
3 integers separated by space
### Input sample:
```
12 4 6
8 23 3
15 7 9
2 5 17
```
### output sample:
```
37 39 35
```
answer：If there is no answer, please comment
### Inut:
12 integers in 4*3 tabel
### Output:
3 integers separated by space
### Input sample:
```
12 4 6
8 23 3
15 7 9
2 5 17
```
### output sample:
```
37 39 35
```
answer：If there is no answer, please comment