#include<stdio.h>
#include<ctype.h>
#include<string.h>
void convertVowelsToUppercase(char *s){
    int len =strlen(s);
    for(int i = 0; i < len; i++){
         char ch = s[i];
        if(ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u' || ch == 'A' || ch == 'E' || ch == 'I' || ch == 'O' || ch == 'U'){
            s[i] = toupper(ch);    
        }
    }
}
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;
        }
    }
    convertVowelsToUpper(s);
    printf("%s\n", s);
    return 0;
}