Multification table by using array

#include<stdio.h>
#define ROWS    5
#define COLUMN  5
main()
{
int i,j,row,column,product[ROWS][COLUMN];
printf("MULTIFICATION TABLE\n\n");
printf("    ");
for(j=1;j<=COLUMN;j++)
printf("%4d",j);
printf("\n");
printf("-------------------------------------------\n");
for(i=1;i<=ROWS;i++)
{
row=i+1;
printf("%2d |",row);
for(j=i;j<=COLUMN;j++)
{
column=j;
product[i][j]=row*column;
printf("%4d",product[i][j]);
}
printf("\n");
}
}