Addition of Two Matrices

/* 
Program for addition of two matrices.
*/

#define ROW 3
#define COL 4
#include<stdio.h>
main( )
{
    int i, j, mat1[ROW][COL], mat2[ROW][COL], mat3[ROW][COL];

    printf("Enter matrix mat1(%dx%d)row-wise :\n", ROW, COL);
    for(i=0; i<ROW; i++)
        for(j=0; j<COL; j++)
            scanf("%d", &mat1[i][j]);
   
    printf("Enter matrix mat2(%dx%d)row-wise :\n", ROW, COL);
    for(i=0; i<ROW; i++)
        for(j=0; j<COL; j++)
            scanf("%d", &mat2[i][j] );

    /*Addition*/
    for(i=0; i<ROW; i++)
        for(j=0; j<COL; j++)
            mat3[i][j] = mat1[i][j] + mat2[i][j];

    printf("The resultant matrix mat3 is :\n");
    for(i=0; i<ROW; i++)
    {
        for(j=0; j<COL; j++)
            printf("%5d", mat3[i][j] );
        printf("\n");
    }
}