#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 0;
    }
}
  convertVowel(s);
printf("%s\n",s);
return 0;
}