implement exit function

 #include <stdio.h>
+
+void EXit()
+{
+  exit(1);
+}
+
 int main() {
-	char Name[20];
-	printf("당신의 이름을 입력하세요: ");
-	gets(Name);
-	puts(Name);
+  char input[100];
+
+  while(1)
+  {
+  gets(input);
+  puts(input);
+
+  if (input=="exit")
+  EXit();
+  }
 
+	printf("\n");
 	return 0;
 }
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