#include <stdio.h> int main() { char a[100], b[100]; char c[200]; while (scanf("%s %s", a, b) != EOF) { int i, j = 0; for (i = 0;; i++) { if (a[i] != '\0') { c[j++] = a[i]; } else { break; } } for (i = 0;; i++) { if (b[i] != '\0') { c[j++] = b[i]; } else { break; } } c[j]='\0'; printf("%s", c) ; } return 0; }