#include<stdio.h>
#include <ctype.h>
int main()
{
char arr[]="I Am A Student";
int i=0;
while(arr[i]!='\0')
{
if(isupper(arr[i]))
   {
         arr[i]=tolower(arr[i]);
   }
  i++;
}
printf("%s\n",arr);
return 0;
}