#include<stdio.h>
#include<ctype.h>
int main()
{
    char s[105];
    scanf("%[^\n], s);
    
    for (int i=0; s[i]; i++)
    {
        if (!isalpha(s[i]))
        {
            printf("Invalid input");
            return 0;
        }
        char c = s[i];
        if (c=='a' || c=='e' || c=='i' || c=='o' || c=='u' || c=='A' || c=='E' || c=='I' || c=='O' || c=='U')
          c = toupper(c);
          printf("%c", c);
    }
    return 0;
}