alphabets = "abcdefghijklmnopqrstuvwxyz"
b = input("Enter string : ")
a = int(input("Enter shift : "))
output = ""
def get_index(a,b):
for i in range(0,len(b)):
if a == b[i]:
return i
for i in range(0,len(b)):
if b[i] in alphabets:
output += alphabets[(get_index(b[i],alphabets)+a)%26]
elif b[i] in alphabets.upper():
output += alphabets.upper()[(get_index(b[i],alphabets.upper())+a)%26]
else:
output += b[i]
print (output)