penis

#include <stdio.h>
#include <ctype.h>
#include <string.h>

int
main ()
{

  char str1[] = "FUCKYOU";
  int len1 = strlen(str1);
  char str2[len1+1]; 
  //printf("%d", len1);
  
  for (int i = 0; i < strlen(str1); i++) 
  {
      str2[i] = str1[i];
      //printf("%c", str2[i]);
  }
  str2[len1] = '!';
  str2[len1+1] = '\0';
  
  printf("%s", str2);
  
  return 0;

}