#include <stdio.h>

int main()
{

int i,j,k[4][4];

for (i=0;i<=3;i++){
	printf("\n");
for (j=0;j<=3;j++){
	if(i==j)
		k[i][j]=1;
else
	k[i][j]=i+j;
	printf("\t%d",k[i][j]);
}

}
return 0;
}