#include<bits/stdc++.h> using namespace std; int main(){ int a,b,c,d,i=0,s=0; cin>>a>>b; cin>>c>>d; i=b-a; s=d-b; cout<<i<<' '<<s; } /************************************************************** Problem: 1462 User: huxuanchen Language: C++ Result: Wrong Answer ****************************************************************/