/*
#include <stdio.h>
int main()
{
int n,i,j,k,l,a,b;
scanf("%d",&n);
for (i=1; i<=n; i++){
for (j=n-1; j>=i; j--) {
printf(" ");
}
printf("*");
for (j=1; j<i; j++){
printf(" ");
}
for (j=1; j<i; j++){
printf(" ");
}
printf("*\n");
}
for (k=1; k<=n; k++){
for (l=1; l<k; l++){
printf(" ");
}
printf("*");
for (l=n-1; l>=k; l--){
printf(" ");
}
for (l=n-1; l>=k; l--){
printf(" ");
}
printf("*\n");
}
}
*/
/*
#include <stdio.h>
int main()
{
int i,j;
for (i=1; i<=9; i++){
for (j=2; j<=5; j++){
if (j==2)
{
printf("%d x %d = %2d",j,i,j*i);
}
else {
printf(" %d x %d = %2d",j,i,i*j);
}
}
printf("\n");
}
}
*/