#include #include using namespace std; int main() { long long n; cin >> n; if(n == 0) { cout << 0 << endl << 0 << endl << 0 ; } if(n == 1) { cout << 1 << endl << 1 << endl << 1 ; } string binary = ""; long long temp = n; while (temp > 0) { binary = to_string(temp % 2) + binary; temp /= 2; } if(n < 0) { cout << 1 << binary << endl; } else { cout << binary << endl; } string octal = ""; temp = n; while (temp > 0) { octal = to_string(temp % 8) + octal; temp /= 8; } cout << octal << endl; string hex = ""; temp = n; while (temp > 0) { long long remainder = temp % 16; if (remainder < 10) { hex = to_string(remainder) + hex; } else { hex = static_cast('A' + (remainder - 10)) + hex; } temp /= 16; } cout << hex << endl; return 0; }