x = str(input("Enter a string"))
vowels = 0
for i in x:
    if(i=='a' or i=='e' or i=='i' or i=='o' or i=='u' or i=='A' or i=='E' or i=='I' or i=='O' or i=='U'):
        vowels = vowels+1
    
print("Number of vowels are:")
print(vowels)
