A. Divisibilitytime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputFind the number of k-divisible numbers on the segment [a, b]. In other words you need to find the number of such integer values x that a ≤ x ≤ b and x is divisible by k.InputThe only line contains three space-separated integers k, a and b (1 ≤ k ≤ 1018; - 1018 ≤ a ≤ b ≤ 1018).OutputPrint the required number.ExamplesInput1 1 10Output10Input2 -4 4Output5
Input1 1 10
Output10
['math', '*1600']