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