#include<stdio.h> int main() { int c, q = 1; while((c = getchar()) != EOF) { if(c == '"') { printf("%s", q ? "``" : "''"); q = !q; } else printf("%c", c); } return 0; }
#include<stdio.h> int main() { int c, q = 1; while((c = getchar()) != EOF) { if(c == '"') { printf("%s", q ? "``" : "''"); q = !q; } else printf("%c", c); } return 0; }