#include<stdio.h>
#include<ctype.h>
#include<string.h>
void convertVowel(char *s)
{
    int len = strlen(s);
    for (int i=0;i<len;i++)
    {
        if(s[i] == 'a' || s[i] == 'e'|| s[i] == 'o'|| s[i] == 'u')
            s[i] = toupper(s[i]);
        }    
    }
}
int main()
{
   char s[100];
   fgets(s,sizeof(s),stdin);
   s[strcspn(s, "\n")] =0;
   for(int i=0;s[i] != '\0';i++)
   {
       if(!isalpha(s[i]) && s[i] !=' '){
           printf("Invlaid input\n");
           return 0;
       }
   }
   convertVowels(s);
   printf("%s\n",s);
   return 0;
}