subtraction of 2 matrix

#include<stdio.h>
#include<conio.h>
main()
{
int a[3][3],b[3][3],c[3][3],i,j;
clrscr();
printf("\n\t\t\tsubstraction in matrix");
printf("\n\t\t\telement in a matrix");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("\nenter [%d]  [%d]number",i,j);
scanf("\n%d",&a[i][j]);
}
}
printf("\n\t\t\telement in b matrix");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
printf("\nenter [%d] [%d] number",i,j);
scanf("\n%d",&b[i][j]);
}
}
printf("\n\t\t\tsubstraction of two matrix is:");
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
c[i][j]=a[i][j]-b[i][j];
printf("\nsubstaction is %d",c[i][j]);
}
}
getch();
return 0;
}                                    //OUTPUT


                        substraction in matrix                                  
                        element in a matrix                                     
enter [0]  [0]number5                                                           
                                                                                
enter [0]  [1]number6                                                           
                                                                                
enter [1]  [0]number7
                                                                                
enter [1]  [1]number8                                                           
                                                                                
                        element in b matrix                                     
enter [0] [0] number1                                                           
                                                                                
enter [0] [1] number2                                                           
                                                                                
enter [1] [0] number3                                                           
                                                                                
enter [1] [1] number4                                                           
                                                                                
                        substraction of two matrix is:                          
substaction is 4                                                                
substaction is 4                                                                
substaction is 4                                                                
substaction is 4