// editor5
#include <stdio.h>
#include <ctype.h>

int main() {
    char s[101];
    int i;
    
    scanf("%s", s);
    
    for (i = 0; s[i] != '\0'; i++) {
        if (!((s[i] >= 'a' && s[i] <= 'z' || (s[i] >= 'A' && s[i] <= 'Z' ))){
            printf("Invalid input"); 
            return 0;
        }
    }
    
    for (i = 0;s[i] != '\0'; i++) {
        char c = tolower(s[i]);
        if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c =='u') {
            s[i] = toupper(s[i]);
        }
    }
    
    printf("%s", s);
    return 0;
}