#include <stdio.h>
#include <string.h>
#include <ctype.h>
int isLegal( char theString[]){
	int i;
	for (i=0 ; i < strlen(theString); i++) {
		char ch = theString[i];
		if (isupper(ch))
			ch = tolower(ch);
		if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u' || ch == 'y')
			return 1;
	}
	return 0;
}

int main(void) {
	printf("%d", isLegal("PPle"));
	// your code goes here
	return 0;
}