Write a program to print the combination of 1,2 and 3

#include<stdio.h>
#include<conio.h>
int main()
{
int i,j;
for(i=1;i<=3;i++)
{
for(j=1;j<=3;j++)
{
printf(“%d , %d\n”,i,j);
}
}
getch();
return 0;
}