where is the error?Code:#include <stdio.h> int main() { int choice; do{ printf("1 = hi\n"); printf("2 = hello\n"); printf("3 = bye\n"); printf("4 = see you later\n"); printf("Enter your answer<1-4>:\n"); scanf("%d", &choice); switch(choice) { case 1: printf("Hi!"); break; case 2: printf("Hello"); break; case 3: printf("Bye"); break; case 4: printf("See you later!"); break; default: printf("Out bound"); } system("pause"); return 0; }