#include <stdio.h>
int main(void)
{
char ko;
printf("アルファベットの最初の文字はなんですか?\n");
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKQp7CiAgICBjaGFyIGtvOwoKICAgIHByaW50Zigi44Ki44Or44OV44Kh44OZ44OD44OI44Gu5pyA5Yid44Gu5paH5a2X44Gv44Gq44KT44Gn44GZ44GL77yfXG4iKTsKCiAgICBrbz1nZXRjaGFyKCk7CgogICAgcHJpbnRmKCLlhoblkajnjofjga7lgKTjga8lY+OBp+OBmVxuIixrbyk7CgogICAgcmV0dXJuIDA7Cn0=