#include<iostream> using namespace std; #include<string.h> #include<cstdio> char s1[102]; char s2[102]; int main() { int i,len; scanf("%s",s1); memset(s2,0,sizeof(s2)); len=strlen(s1); for(i=0;i<len-1;i++) s2[i]=s1[i]+s1[i+1]; s2[len-1]=s1[len-1]+s1[0]; printf("%s",s2); return 0; }