1033

# include <stdio.h>
# include <string.h>
main()
{
	char x[100];
	gets(x);
	strlen(x);
	for(int i=0;i<strlen(x);i++)
	{
		if(x[i]=='a'||x[i]=='e'||x[i]=='i'||x[i]=='o'||x[i]=='u')
		{
			printf("%c",x[i]);
		}
	}
}