#include<stdio.h>
#ifdef WIN32
#define getchar_unlocked _getchar_nolock
#define putchar_unlocked _putchar_nolock
#endif
int main(){
char c=' ';
c=getchar_unlocked();
while(c!='\n'){
putchar_unlocked(c-7);
c=getchar_unlocked();
}
return 0;
}