#include<iostream> #include<cstdio> using namespace std; int main() { double n=0; cin>>n; double bigger_than_zero(double number); double smaller_than_zero(double number); if(n>0) cout<<bigger_than_zero(n); if(n<0) cout<<smaller_than_zero(n); return 0; } double bigger_than_zero(double number) { return (number); } double smaller_than_zero(double number) { number=0-number; return (number); }