a009

#include<iostream>
#include<string>
using namespace std;

int main(){
    string input;
    string output;
    int len;
    while( cin>> input){
        len = input.length();
        output = input;
        for(int i=0; i< len; i++){
            output[i] = input[i] - 7;
        }
        cout<< output<< endl;
    }    
}