import sequtils proc combination(n,k:int):int = # nCk result = 1 let x = k.max(n - k) let y = k.min(n - k) for i in 1..y: result = result * (n+1-i) div i proc solve(n:int):int = result = (6*n+7).combination(7) #全数 result -= 8.combination(1) * (5*n-1 + 7).combination(7) # 1つがn+1以上ある result += 8.combination(2) * (4*n-2 + 7).combination(7) # 2つが result -= 8.combination(3) * (3*n-3 + 7).combination(7) # 3つが if n < 2 : return result += 8.combination(4) * (2*n-4 + 7).combination(7) # 4つが if n < 5 : return result -= 8.combination(5) * (1*n-5 + 7).combination(7) # 5つが proc getchar_unlocked():char {. importc:"getchar_unlocked",header: "" .} proc scan(): int = while true: let k = getchar_unlocked() if k < '0': return result = 10 * result + k.ord - '0'.ord const ans = toSeq(0..100).mapIt(it.solve()) echo ans[scan()]