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

int main(){
    char s[101];
    int i,valid=1;
    
    scanf("%[^\n]",s);
    
    for(i=0;s[i] != '\0';i++){
        
        if(!isalpha(s[i])){
            valid=0;
            break;
        }
    }
    if(!valid){
        printf("Invalid input");
        return 0;
    }
    for(i=0;s[i] != '\0';i++){
        if(s[i]=='a' || s[i]=='e'|| s[i]=='i'|| s[i]=='o' || s[i]=='u')
        s[i]=toupper(s[i]);
        else if(s[i]=='A' || s[i]=='E' ||  s[i]=='I'||  s[i]=='O'||  s[i]=='U')
        s[ ]=s[ ];
    }
    printf("%s", s);
    return 0;
    
    }