#include<bits/stdc++.h> using namespace std; int main(){ int x,s,a,b,c,d; cin>>x; a=x%10*1000; b=x/10%10*100; c=x/100%10*10; d=x/1000*1; s=a+b+c+d; cout<<s; return 0; } /************************************************************** Problem: 1029 User: zhenghaoxuan Language: C++ Result: Accepted Time:8 ms Memory:2072 kb ****************************************************************/