7988: ABC255 —— A - You should output ARC, though this is ABC.
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Description
Given integers R, C, and a 2×2 matrix A, print $A_{R,C}$.
Input
Input is given from Standard Input in the following format:
$R\ C$
$A_{1,1}\ A_{1,2}$
$A_{2,1}\ A_{2,2}$
$R\ C$
$A_{1,1}\ A_{1,2}$
$A_{2,1}\ A_{2,2}$
Output
Print the answer as an integer.
Constraints
All values in input are integers.
1≤R,C≤2
$0≤A_{i,j}≤100$
1≤R,C≤2
$0≤A_{i,j}≤100$
Sample 1 Input
1 2
1 0
0 1
Sample 1 Output
0
We have $A_{1,2}=0$.
Sample 2 Input
2 2
1 2
3 4
Sample 2 Output
4
We have $A_{2,2}=4$.
Sample 3 Input
2 1
90 80
70 60
Sample 3 Output
70
We have $A_{2,1}=70$.