C program for matrix addition

#include<stdio.h>
#include<conio.h>
void main ( )
{
int a[2][2],b[2][2],s[2][2],i,j;
clrscr ();
printf("enter first matrix: \n");
for( i=1; i<=2; i++)
{
for( j=1; j<=2; j++)
{
printf("Enter %d%d", i,j, "element:");
scanf("%d",&a[i][j]);
}
}
printf("enter second matrix: \n");
for(i=1;i<=2;i++)
{
for(j=1; j<=2;j++)
{
printf( "enter  %d%d",i + 1 ,j + 1 , "element:");
scanf("%d",&b[i][j])  ;
}
}
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
s[i][j]= a[i][j]+b[i][j];
}
}
printf("The addition matrix is:\n");
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
printf("%d\n",s[i][j] );
}
}
getch();
}