#include<stdio.h>
#include<ctype.h>
#include<string.h>
int main()
{
    char s[101];
    scanf("%100s", s);
    for(int i=0;s[i] !='\0';i++){
        if(!isalpha(s[i])){
            printf("Invalid input");
            return 0;
        }
    }
    for(int i = 0; str[i]; i++){
        char c= str[i];
        if (c =='a' || c == 'e' || c== 'i' || c == 'o' || c == 'u' || c == 'A' || c == 'E' || c == 'I' || c == 'O' || c == 'U'){
           str[i] = toupper(c);    
        }
    }
    printf("%s\n",str);
    return 0;
}