#include<stdio.>
#include<string.h>
#include<ctype.h>
int isVowel(char c) {
    c = tolower(c) ;
        return (c == 'a' || c == 'e' || c == 'o' || c == 'u');
    }
    int main() {
        char s[200];
        scanf("%s",s);
        int n = strlen(s);
        for(int i = 0; i < n; i++){
            if(!isalpha(s[i])) {
                printf("Invalid Input");
                return 0;
            }
            if(isVowel(s[i])) {
                s[i] = touppers(s[i]);
            }
        }
        printf("%s",s);
        return 0;
    
}