#include<stdio.h>
#include<ctype.h>
#include<string.h>

void convert_vowels_to_uppercase(char *str){
    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);    
        }
        if(!isalpha(c)){
            printf("Invalid input");
            return 0;
        }
        
    }
    printf("%s\n",str);
}
int main(){
    char str[101];
    fgets(str,sizeof(str),stdin);
    str[strcspn(str,"\n")] = 0;
    convert_vowels_to_uppercase(str);
    
    
    return 0;
}