#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] =='i' ||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("Invalid input\n");
           return 1;
       }
   }
   convertVowel(s);
   printf("%s\n",s);
   return 0;