import algorithm, deques, heapqueue, math, sets, sequtils, strutils, sugar, tables proc input*(): string = return stdin.readLine proc chmax*[T: SomeNumber](num0: var T, num1: T) = num0 = max(num0, num1) proc chmin*[T: SomeNumber](num0: var T, num1: T) = num0 = min(num0, num1) proc `%=`*[T: SomeInteger](num0: var T, num1: T) = num0 = num0 mod num1 proc solve() = let N = input().parseInt var ans = 0 for t in 0..100: for g in 0..t: for pg in 0..100: if 5*t + 2*g + 3*pg == N: ans += 1 echo ans when is_main_module: solve()