Problem 1

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main()
{
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif

    string str;
    cin >> str;
    string nstr;
    for(int i=0;i<str.size();i++)
        nstr+=str[i]+1;
    cout << nstr << endl;

    return 0;
}