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Amount even element

 

Find amount even element, located under main diagonal square целочисленной matrix 5-go order, consisting of integer  numbers and on its side diagonal (not including diagonal elements).

 

 

Input data

 

each element (integer number) of the matrix to carry in separate line

 

Output data

 

integer number with new line

 

Example input data

 

1

2

3

4

5

1

2

3

4

5

1

2

3

4

5

1

2

3

4

5

1

2

3

4

5

 

Example output data

 

2

 

The Author: Smirnova A.M.