while (string[a]=='!') strcpy(&string[a],&string[a+1]);
while (string[a]=='@') strcpy(&string[a],&string[a+1]);
while (string[a]=='_') strcpy(&string[a],&string[a+1]);
while (string[a]=='!') strcpy(&string[a],&string[a+1]);
while (string[a]=='@') strcpy(&string[a],&string[a+1]);
while (string[a]=='_') strcpy(&string[a],&string[a+1]);