2.no

#include<stdio.h>
#include<string.h>
int main()
{
    char seq[64];

    gets(seq);
    int l=strlen(seq);
    for(int i=0;i<l;i++){
        if(seq[i]=='z' ) seq[i]='a';
         else if(seq[i]=='Z') seq[i]='A';
         else if(seq[i]=='9') seq[i]='0';
        else seq[i]=seq[i]+1;
    }
    puts(seq);
}