#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;
}