#include <stdio.h>
int main(void) {
char line[100] = "";
char line2[100] = "";
printf("¹®ÀÚ¿À» ÀÔ·ÂÇϽÿÀ: ");
gets_s(line, sizeof(line));
int k = 0;
for (int i = 0; line[i] != '\0'; ++i) {
while (line[i] >= 'A' && line[i] <= 'z') {
line2[k++] = line[i++];
}
}
line2[k] = '\0';
printf("Ãâ·Â ¹®ÀÚ¿: %s\n", line2);
return 0;
}