#include <stdio.h>
int main(void) {
char ch;
if (ch >= 'A' && ch <= 'Z')
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgljaGFyIGNoOwogICAgc2NhbmYoIiVjIiwgJmNoKTsKICAgIGlmIChjaCA+PSAnQScgJiYgY2ggPD0gJ1onKQogICAgcHJpbnRmKCIlYyIsY2grMzIpOwogICAKCXJldHVybiAwOwp9Cg==