# include <stdio.h>
int myStrlen(char s[]){
int i=0;
while(s[i]!='\0'){
i++;}
return i;
}
int main(){
int len;
char s[100];
len = myStrlen(s);
return 0;
}
IyBpbmNsdWRlIDxzdGRpby5oPgoKaW50IG15U3RybGVuKGNoYXIgc1tdKXsKCWludCBpPTA7Cgl3aGlsZShzW2ldIT0nXDAnKXsKCQlpKys7fQoJCXJldHVybiBpOwp9CgppbnQgbWFpbigpewogICAgaW50IGxlbjsKICAgIGNoYXIgc1sxMDBdOwogICAgc2NhbmYoIiVzIixzKTsKICAgIGxlbiA9IG15U3RybGVuKHMpOwogICAgcHJpbnRmKCIlcyAtPiAlZFxuIixzLGxlbik7CiAgICByZXR1cm4gMDsKfQo=