#include<iostream> #include<iomanip> using namespace std; int main(){ int a[10000] = {}; for(int i=0;i<=9;i++){ cin>>a[i]; } int m = 0,n =10000; for(int i=0;i<=9;i++){ if(n > a[i]){ n = a[i]; } if(m < a[i]){ m = a[i]; } } cout<<" "<<m-n<<endl; }