PROGRAMMING:Sum of upper right triangle elements of square matrix
Find a five × The sum of the elements of the upper right triangle (including the diagonal) of the array.
###Input format:
Input 5 rows and 5 columns of the matrix, there is no space before the first number of each row, and there is a space between each number of each row.
###Output format:
Output results directly. There are no additional characters.
###Input example:
```in
1 2 4 5 8
1 4 7 4 1
1 2 3 6 9
5 6 9 8 4
7 5 3 6 8
```
###Output example:
```out
seventy-four
```
answer：If there is no answer, please comment
###Input format:
Input 5 rows and 5 columns of the matrix, there is no space before the first number of each row, and there is a space between each number of each row.
###Output format:
Output results directly. There are no additional characters.
###Input example:
```in
1 2 4 5 8
1 4 7 4 1
1 2 3 6 9
5 6 9 8 4
7 5 3 6 8
```
###Output example:
```out
seventy-four
```
answer：If there is no answer, please comment