Vaia,I use C language. 
How can i find out all the case?
here is my code:
#include <stdio.h>
#include <string.h>
int main()
{
char a[25];
gets(a);
int l1 = strlen(a);
a[0]= toupper(a[0]);
for (int i = 0; i < l1; i++)
{
if (a[i]== 's' || a[i]== 'S')
{
a[i]='$';
}
if (a[i]== 'i')
{
a[i]='!';
}
if (a[i]== 'o')
{
a[i]='(';
for (int j = l1-1; j > i ; j--)
{
a[j+1]=a[j];
}
a[i+1]=')';
}
}
int l2= strlen(a);
a[l2]='.';
for (int i = 0; i <= l2; i++)
{
printf("%c",a[i]);
}
puts("");
}