#include<stdio.h>
int main()
{
int i,j,n;
char c='A';
printf("How Many Lines \nYou Want to Print: ");
scanf("%d",&n);
for(i=0;i<n;i++)
{
for(j=0;j<=i;j++)
{
printf("%c ",c);
}
c++;
printf("\n");
}
return 0;
}