Addition matrix-java

import java.io.*;
class Additionmat
{
public static void main(String args[]) throws IOException
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
System.out.println("enter row size");
int n=Integer.parseInt(br.readLine());
System.out.println("enter column size");
int m=Integer.parseInt(br.readLine());
int a[][]=new int[n][m];
int b[][]=new int[n][m];
int c[][]=new int[n][m];
System.out.println("enter elements of a");
for(int i=0;i<n;i++)
{
for(int j=0;j<m;j++)
{
a[i][j]=Integer.parseInt(br.readLine());
}
}
System.out.println("enter elements of b");
for(int i=0;i<n;i++)
{
for(int j=0;j<m;j++)
{
b[i][j]=Integer.parseInt(br.readLine());
}
}
for(int i=0;i<n;i++)
{
for(int j=0;j<m;j++)
{
c[i][j]=a[i][j]+b[i][j];
}
}
System.out.println("resultant matrix is");
for(int i=0;i<n;i++)
{
for(int j=0;j<m;j++)
{
System.out.print(c[i][j]+"\t");
}
System.out.println();
}
}
}