#include<iostream> using namespace std; int main(){ int a,b,c,d,n; cin>>a>>b>>c>>d; if(a>b){ n=a; a=b; b=n; } if(b>c){ n=b; b=c; c=n; } if(c>d){ n=c; c=d; d=n; } if(a>b){ n=a; a=b; b=n; } if(b>c){ n=b; b=c; c=n; } if(a>b){ n=a; a=b; b=n; } if(a+2==b&&b+2==c&&c+2==d&&a%2!=0){ cout<<a<<"+2="<<b<<endl; cout<<b<<"+2="<<c<<endl; cout<<c<<"+2="<<d<<endl; }else{ cout<<d<<" "<<c<<" "<<b<<" "<<a<<endl; } } /************************************************************** Problem: 1046 User: yangjunwen Language: C++ Result: Accepted Time:8 ms Memory:2072 kb ****************************************************************/