#include <stdio.h>
#include <string.h>
#define TAM 3
int main(){
char str[TAM + 1];
char letra;
str[TAM] = '\0';
}
I2luY2x1ZGUgPHN0ZGlvLmg+CiNpbmNsdWRlIDxzdHJpbmcuaD4KI2RlZmluZSBUQU0gMwoKaW50IG1haW4oKXsKICAgIGNoYXIgc3RyW1RBTSArIDFdOwogICAgY2hhciBsZXRyYTsKICAgIHNjYW5mKCIlYyIsICZsZXRyYSk7CiAgICBtZW1zZXQoc3RyLCBsZXRyYSwgVEFNKTsKICAgIHN0cltUQU1dID0gJ1wwJzsKICAgIHByaW50ZigiJXMiLCBzdHIpOwp9Cg==