#include<stdio.h>
#include<string.h>
#include<ctype.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] != s[i] != ' ')
    {
        printf("Invalid input");
        return 0;
    }
}
convertVowel(s);
printf("%s\n",s);
return 0;
}