c.py

def isVowel(c):
    return (c == 'A' or c == 'E' or c == 'I' or
            c == 'O' or c == 'U' or c == 'a' or
            c == 'e' or c == 'i' or c == 'o' or
            c == 'u');
 
 
def pigLatin(s):
 
    
    length = len(s);
    index = -1;
    for i in range(length):
        if (isVowel(s[i])):
            index = i;
            break;
 
   
    if (index == -1):
        return "-1";
 
  
    return s[index:] + s[0:index] + "ay";
 
str = pigLatin("graphic");
if (str == "-1"):
    print("No vowels found. Pig Latin not possible");
else:
    print(str);