# print( sum(range(1,102)) )
# sum=0
# for i in range(1,102):
# sum+=i
# print(sum)
num=input("Enter number:")
print(num[::-1])
IyBwcmludCggc3VtKHJhbmdlKDEsMTAyKSkgKSAgCiMgc3VtPTAKIyBmb3IgaSBpbiByYW5nZSgxLDEwMik6CiMgCXN1bSs9aQojIHByaW50KHN1bSkKbnVtPWlucHV0KCJFbnRlciBudW1iZXI6IikKcHJpbnQobnVtWzo6LTFdKQ==