#include <cstdlib>
#include <iostream>
#include <string>
#include <cstring>

using namespace std;


int main()

{   

   string s = "This is a test";
   char cs[100];
   int i;
  

   for (i=0;i<s.length();i++)
     s[i] = toupper(s[i]);

   cout << s << endl;


   /*
   strcpy(cs,s.c_str());

   for (i=0;i<strlen(cs[i]);i++) 
     cs[i] = toupper(cs[i]);


   cout << cs << endl;
   */

   return 0;
}