#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ char *p=new char[101]; int l; memset(p,0,sizeof(char)*101); gets(p); l=strlen(p); for(int i=l-1;i>=0;i--){ cout<<p[i]; } delete []p; return 0; }