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#include <iostream>
#include <string>
using namespace std;
int main () {
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
char a[63]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','!','@','#','$','%','^','&','*','(',')','-','_','=','+','[',']','{','}',';',':','"','/','?','.',',','<','>'};
char b[63]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',' '};
char s[10000]="";
cin.getline(s,10000);
int size=strlen(s),now;
for(int i=0;i<size;i++){
for(int j=0;j<63;j++){
if(s[i]==b[j]){now=j;break;}
}
now+=(i+1);
cout<<a[(now-1)%63];
}
return 0;
}