#include <stdio.h>
#include <ctype.h>
int add3(char d) {
if (d>48 && d<54)
return d+=3;
else return 0;
}
int main() {
char a,b;
a= getchar();
b= getchar();
printf("%c \n",add3(a));
printf("%c",add3(b));
return 0;
}
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