// editor5
#include <stdio.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[strcmp(s, "\n")]=0;
    for (int i =0;s[i]!='\0';i++)
    {
        if(isalpha(s[i]) &&[i]!=' '){
            printf("Invalid input\n");
            return 1;
        }
    }
    convertvowel(s);
    printf("%s\n",s);
}