main()
 {
float k=1,n=4,i=1,c=1,s=1,u=1;
clrscr();
while(u<=7)
{
 printf("\n");u++;}
gotoxy(40,11);
printf("%d\n",1);
for(u=2;u<=4;u++)
{   n=u;i=1;
for(k=39-u;k>0;k--)
 {
  printf(" ");
 }
printf("%d",1);
while(i<=n,n>0)
{
c=c*n/i;
s+=c;
n--;
i++;
printf(" %.0f",c);

}
printf("\n")

;
}
//printf("\ns=  %f",s);
getch();
}